2nd largest oil field in the world, Mexico’s Cantarell, declining rapidly

Mexican oil exports: start saying adios!

by Martin Payne, 19 Mar 2008. Energy Bulletin.

1)      This story illustrates the problem of RATE of production – you might have a lot of oil, but if you can only produce it at x barrels per day, then you have x barrels and no more

2)      We get 10% of our oil from Mexico, and Cantarell rate of production has gone down 29% since 2004!

Cantarell Field is a “poster child” for Peak Oil. In my opinion, Cantarell/Mexico may be one of the most poignant, and easiest to grasp examples of what Peak Oil is all about.

Most folks are surprised to learn that the world’s 2nd largest oil field is not located in Saudi Arabia. Nor even in the Middle East. In fact, it is located offshore Mexico, in the Bay of Campeche, Gulf of Mexico.

Cantarell Field, as it turns out, is a real freak of geology. The porosity – or holes in the rock where the oil is located – is believed to be the result of a rubble pile from an asteroid strike which took place some 65 million years ago! And not just any asteroid strike: The asteroid which caused what has become known as the Chicxulub Crater, on the Yucatan Peninsula, is thought to have been 6 miles in diameter, and many scientists attribute this particular asteroid strike as being the “extinction event” that took out the dinosaurs!

Cantarell was put on production in 1979. Production was 1.16 million barrels per day (1.16 MMBO/D) in 1981, and in 1995 production was still 1 MMBO/D.

In 2000, PEMEX installed the world’s largest nitrogen injection project on Cantarell. In this process, nitrogen is stripped from air and injected into the upper parts of the reservoir in order to maintain reservoir pressure, and thus to increase or maintain production. Production increased to 1.6 MMBO/D in 2001, then to 1.9 MMBO/D in 2002, and then to 2.1 MMBO/D in 2003. By the end of 2005, however, production had returned to 1.9 MMBO/D.

In January, 2006, a PEMEX press release unveiled their conclusion that Cantarell had peaked, and would decline down to a rate between 1.5 MMBO/D and .5 MMBO/D by the end of 2008.

As of the end of 2007, Cantarell was said to be producing 1.4 MMBO/D, or down some 600,000 BO/D (or 29%) from its peak rate in 2004!

Why is this important? Well, Mexico is the 3rd largest exporter of oil to the United States. Out of about 21 MMBO/D of total consumption we import some 60%, or around 12 MMBO/D.

Mexico makes up some 1.4 MMBO/D of that 12 MMBO/D, about 10 % of our total imports.

So, if Mexico can’t supply that oil – just get it somewhere else, right? Well it appears that there is little or no “spare” capacity in oil production RATE, worldwide. So, if we need 1.4 MMBO/D from Mexico but they can’t supply it, we either have to get that oil instead of someone else, or do without [2014 comment: we’ve been doing without, the financial crash has lowered demand to 16 MMBO/D due to the high levels of unemployment and poverty].

To put the ultimate loss of 1.5 MMBO/D out of Cantarell into perspective, consider the massive tar sands in Canada. Even though these tar sand RESERVES are huge, their production RATE is limited by the QUALITY of these deposits. Namely, one has to shovel, melt or dissolve this tar out of the ground. Today’s total production RATE from these tar sands, after huge efforts and investments of billions of dollars, only totals about 1.1 MMBO/D. And, with billions more invested, by 2015 they believe the rate can be increased by an additional 1.9 MMBO/D. If there weren’t any other RATE declines going on around the world, and if demand was not increasing, then the Canadian tar sands might be able to compensate for the loss of Cantarell.

Put another way, if other declines ARE present around the world, and if there are not many provinces where the RATE is significantly increasing (such as with the Canadian tar sands), and if the increases from the tar sands can barely make up for Cantarell declines, then what significant capacity increases are available to make up for the other declines?

So, Cantarell Field is a “poster child” for Peak Oil concerns.

Mr. Payne is an “upstream oil and gas professional with over 25 years of experience. Past Chairman, Houston Chapter of the American Petroleum Institute (API). Member of American Society of Mechanical Engineers (ASME), Society of Petroleum Engineers (SPE), American Solar Energy Society (ASES).”

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Richard Heinberg We need 50 million farmers

Fifty Million Farmers

by Richard Heinberg, originally published by Energy Bulletin  | Nov 17, 2006

(Note: This is the abbreviated text of a lecture by Richard Heinberg delivered to the E. F. Schumacher Society in Stockbridge, Massachusetts on October 28, 2006)

There was a time not so long ago when famine was an expected, if not accepted, part of life. Until the 19th century—whether in China, France, India or Britain—food came almost entirely from local sources and harvests were variable. In good years, there was plenty—enough for seasonal feasts and for storage in anticipation of winter and hard times to come; in bad years, starvation cut down the poorest and the weakest—the very young, the old, and the sickly. Sometimes bad years followed one upon another, reducing the size of the population by several percent. This was the normal condition of life in pre-industrial societies, and it persisted for thousands of years.

Today, in America, such a state of affairs is hard to imagine. Food is so cheap and plentiful that obesity is a far more widespread concern than hunger. The average mega-supermarket stocks an impressive array of exotic foods from across the globe, and even staples are typically trucked from hundreds of miles away. Many people in America did go hungry during the Great Depression, but those were times that only the elderly can recall. In the current regime, the desperately poor may experience chronic malnutrition and may miss meals, but for most the dilemma is finding time in the day’s hectic schedule to go to the grocery store or to cook. As a result, fast-food restaurants proliferate: the fare may not be particularly nutritious, but even an hour’s earnings at minimum wage will buy a meal or two. The average American family spent 20 percent of its income on food in 1950; today the figure is 10 percent.

This is an extraordinary situation; but because it is the only one that most Americans alive today have ever experienced, we tend to assume that it will continue indefinitely. However there are reasons to think that our current anomalous abundance of inexpensive food may be only temporary; if so, present and future generations may become acquainted with that old, formerly familiar but unwelcome houseguest—famine.

The following are four principal bases (there are others) for this gloomy forecast.

The first has to with looming fuel shortages. This is a subject I have written about extensively elsewhere, so I shall not repeat myself in any detail. Suffice it to say that the era of cheap oil and natural gas is coming to a crashing end, with global oil production projected to peak in 2010 and North American natural gas extraction rates already in decline. These events will have enormous implications for America’s petroleum-dependent food system.

Modern industrial agriculture has been described as a method of using soil to turn petroleum and gas into food. We use natural gas to make fertilizer, and oil to fuel farm machinery and power irrigation pumps, as a feedstock for pesticides and herbicides, in the maintenance of animal operations, in crop storage and drying, and for transportation of farm inputs and outputs. Agriculture accounts for about 17 percent of the U.S. annual energy budget; this makes it the single largest consumer of petroleum products as compared to other industries. By comparison, the U.S. military, in all of its operations, uses only about half that amount. About 350 gallons (1,500 liters) of oil equivalents are required to feed each American each year, and every calorie of food produced requires, on average, ten calories of fossil-fuel inputs. This is a food system profoundly vulnerable, at every level, to fuel shortages and skyrocketing prices. And both are inevitable.

An attempt to make up for fuel shortfalls by producing more biofuels—ethanol, butanol, and biodiesel—will put even more pressure on the food system, and will likely result in a competition between food and fuel uses of land and other resources needed for agricultural production. Already 14 percent of the U.S. corn crop is devoted to making ethanol, and that proportion is expected to rise to one quarter, based solely on existing projects-in-development and government mandates.

The second factor potentially leading to famine is a shortage of farmers. Much of the success of industrial agriculture lies in its labor efficiency: far less human work is required to produce a given amount of food today than was the case decades ago (the actual fraction, comparing the year 2000 with 1900, is about one seventh). But that very success implies a growing vulnerability. We don’t need as many farmers, as a percentage of the population, as we used to; so, throughout the past century, most farming families—including hundreds of thousands and perhaps millions that would have preferred to maintain their rural, self-sufficient way of life—were economically forced to move to cities and find jobs. Today so few people farm that vital knowledge of how to farm is disappearing. The average age of American farmers is over 55 and approaching 60. The proportion of principal farm operators younger than 35 has dropped from 15.9 percent in 1982 to 5.8 percent in 2002. Of all the dismal statistics I know, these are surely among the most frightening. Who will be growing our food twenty years from now? With less oil and gas available, we will need far more knowledge and muscle power devoted to food production, and thus far more people on the farm, than we have currently.

The third worrisome trend is an increasing scarcity of fresh water. Sixty percent of water used nationally goes toward agriculture. California’s Central Valley, which produces the substantial bulk of the nation’s fruits, nuts, and vegetables, receives virtually no rainfall during summer months and relies overwhelmingly on irrigation. But the snowpack on the Sierras, which provides much of that irrigation water, is declining, and the aquifer that supplies much of the rest is being drawn down at many times its recharge rate. If these trends continue, the Central Valley may be incapable of producing food in any substantial quantities within two or three decades. Other parts of the country are similarly overspending their water budgets, and very little is being done to deal with this looming catastrophe.

Fourth and finally, there is the problem of global climate change. Often the phrase used for this is “global warming,” which implies only the fact that the world’s average temperature will be increasing by a couple of degrees or more over the next few decades. The much greater problem for farmers is destabilization of weather patterns. We face not just a warmer climate, but climate chaos: droughts, floods, and stronger storms in general (hurricanes, cyclones, tornadoes, hail storms)—in short, unpredictable weather of all kinds. Farmers depend on relatively consistent seasonal patterns of rain and sun, cold and heat; a climate shift can spell the end of farmers’ ability to grow a crop in a given region, and even a single freak storm can destroy an entire year’s production. Given the fact that modern American agriculture has become highly centralized due to cheap transport and economies of scale (almost the entire national spinach crop, for example, comes from a single valley in California), the damage from that freak storm is today potentially continental or even global in scale. We have embarked on a century in which, increasingly, freakish weather is normal.

I am not pointing out these problems, and their likely consequences, in order to cause panic. As I propose below, there is a solution to at least two of these dilemmas, one that may also help us address the remaining ones. It is not a simple or easy strategy and it will require a coordinated and sustained national effort. But in addition to averting famine, this strategy may permit us to solve a host of other, seemingly unrelated social and environmental problems.

Intensifying Food Production

In order to get a better grasp of the problems and the solution being proposed, it is essential that we understand how our present exceptional situation of cheap abundance came about. In order to do that, we must go back not just a few decades, but at least ten thousand years.

The origins of agriculture are shrouded in mystery, though archaeologists have been whittling away at that mystery for decades. We know that horticulture (gardening) began at somewhat different periods, independently, in at least three regions—the Middle East, Southeast Asia, and Central America. Following the end of the last Ice Age, roughly 12,000 years ago, much of humanity was experiencing a centuries-long food crisis brought on by the over-hunting of the megafauna that had previously been at the center of the human diet. The subsequent domestication of plants and animals brought relative food security, as well as the ability to support larger and more sedentary populations.

As compared to hunting and gathering, horticulture intensified the process of obtaining food. Intensification (because it led to increased population density—i.e., more mouths to feed), then led to the need for even more intensification: thus horticulture (gardening) eventually led to agriculture (field cropping). The latter produced more food per unit of land, which enabled more population growth, which meant still more demand for food. We are describing a classic self-reinforcing feedback loop.

As a social regime, horticulture did not represent a decisive break with hunting and gathering. Just as women had previously participated in essential productive activities by foraging for plants and hunting small animals, they now played a prominent role in planting, tending, and harvesting the garden—activities that were all compatible with the care of infants and small children. Thus women’s status remained relatively high in most horticultural societies. Seasonal surpluses were relatively small and there was no full-time division of labor.

But as agriculture developed—with field crops, plows, and draft animals—societies inevitably mutated in response. Plowing fields was men’s work; women were forced to stay at home and lost social power. Larger seasonal surpluses required management as well as protection from raiders; full-time managers and specialists in violence proliferated as a result. Societies became multi-layered: wealthy ruling classes (which had never existed among hunter-gatherers, and were rare among gardeners) sat atop an economic pyramid that came to include scribes, soldiers, and religious functionaries, and that was supported at its base by the vastly more numerous peasants—who produced all the food for themselves and everyone else as well. Writing, mathematics, metallurgy, and, ultimately, the trappings of modern life as we know it thus followed not so much from planting in general, as from agriculture in particular.

As important an instance of intensification as agriculture was, in many respects it pales in comparison with what has occurred within the past century or so, with the application of fossil fuels to farming. Petroleum-fed tractors replaced horses and oxen, freeing up more land to grow food for far more people. The Haber-Bosch process for synthesizing ammonia from fossil fuels, invented just prior to World War I, has doubled the amount of nitrogen available to green nature—with nearly all of that increase going directly to food crops. New hybrid plant varieties led to higher yields. Technologies for food storage improved radically. And fuel-fed transport systems enabled local surpluses to be sold not just regionally, but nationally and even globally. Through all of these strategies, we have developed the wherewithal to feed seven times the population that existed at the beginning of the Industrial Revolution. And, in the process, we have made farming uneconomical and unattractive to all but a few.

That’s the broad, global overview. In America, whose history as an independent nation begins at the dawn of the industrial era, the story of agriculture comprises three distinct periods:

The Expansion Period (1600 to 1920): Increases in food production during these three centuries came simply from putting more land into production; technological change played only a minor role.

The Mechanization Period (1920 to 1970): In this half-century, technological advances issuing from cheap, abundant fossil-fuel energy resulted in a dramatic increase in productivity (output per worker hour). Meanwhile, farm machinery, pesticides, herbicides, irrigation, new hybrid crops, and synthetic fertilizers allowed for the doubling and tripling of crop production. Also during this time, U.S. Department of Agriculture policy began favoring larger farms (the average U.S. farm size grew from 100 acres in 1930 to almost 500 acres by 1990), and production for export.

The Saturation Period (1970-present): In recent decades, the application of still greater amounts of energy have produced smaller relative increases in crop yields; meanwhile an ever-growing amount of energy is being expended to maintain the functioning of the overall system. For example, about ten percent of the energy in agriculture is used just to offset the negative effects of soil erosion, while increasing amounts of pesticides must be sprayed each year as pests develop resistances. In short, strategies that had recently produced dramatic increases in productivity became subject to the law of diminishing returns.

While we were achieving miracles of productivity, agriculture’s impact on the natural world was also growing; indeed it is now the single greatest source of human damage to the global environment. That damage takes a number of forms: erosion and salinization of soils; deforestation (a strategy for bringing more land into cultivation); fertilizer runoff (which ultimately creates enormous “dead zones” around the mouths of many rivers); loss of biodiversity; fresh water scarcity; and agrochemical pollution of water and soil.

In short, we created unprecedented abundance while ignoring the long-term consequences of our actions. This is more than a little reminiscent of how some previous agricultural societies—the Greeks, Babylonians, and Romans—destroyed soil and habitat in their mania to feed growing urban populations, and collapsed as a result.

Fortunately, during the past century or two we have also developed the disciplines of archaeology and ecology, which teach us how and why those ancient societies failed, and how the diversity of the web of life sustains us. Thus, in principle, if we avail ourselves of this knowledge, we need not mindlessly repeat yet again the time-worn tale of catastrophic civilizational collapse.

The 21st Century: De-Industrialization

How might we avoid such a fate?

Surely the dilemmas we have outlined above are understood by the managers of the current industrial food system. They must have some solutions in mind.

Indeed they do, and, predictably perhaps, those solutions involve a further intensification of the food production process. Since we cannot achieve much by applying more energy directly to that process, the most promising strategy on the horizon seems to be the genetic engineering of new crop varieties. If, for example, we could design crops to grow with less water, or in unfavorable climate and soil conditions, we could perhaps find our way out of the current mess.

Unfortunately, there are some flaws with this plan. Our collective experience with genetically modifying crops so far shows that glowing promises of higher yields, or of the reduced need for herbicides, have seldom been fulfilled. At the same time, new genetic technologies carry with them the potential for horrific unintended consequences in the forms of negative impacts on human health and the integrity of ecosystems. We have been gradually modifying plants and animals through selective breeding for millennia, but new gene-splicing techniques enable the re-mixing of genomes in ways and to degrees impossible heretofore. One serious error could result in biological tragedy on an unprecedented scale.

Yet even if future genetically modified commercial crops prove to be much more successful than past ones, and even if we manage to avert a genetic apocalypse, the means of producing and distributing genetically engineered seeds is itself reliant on the very fuel-fed industrial system that is in question.

Is it possible, then, that a solution lies in another direction altogether—perhaps in deliberately de-industrializing production, but doing so intelligently, using information we have gained from the science of ecology, as well as from traditional and indigenous farming methods, in order to reduce environmental impacts while maintaining total yields at a level high enough to avert widespread famine?

This is not an entirely new idea (as you all well know, the organic and ecological farming movements have been around for decades), but up to this point the managers of the current system have resisted it. This is no doubt largely because those managers are heavily influenced by giant corporations that profit from centralized industrial production for distant markets. Nevertheless, the fact that we have reached the end of the era of cheap oil and gas demands that we re-examine the potential costs and benefits of our current trajectory and its alternatives.

I believe we must and can de-industrialize agriculture. The general outline of what I mean by de-industrialization is simple enough: this would imply a radical reduction of fossil fuel inputs to agriculture, accompanied by an increase in labor inputs and a reduction of transport, with production being devoted primarily to local consumption.

Once again, fossil fuel depletion almost ensures that this will happen. But at the same time, it is fairly obvious that if we don’t plan for de-industrialization, the result could be catastrophic. It’s worth taking a moment to think about how events might unfold if the process occurs without intelligent management, driven simply by oil and gas depletion.

Facing high fuel prices, family farms would declare bankruptcy in record numbers. Older farmers (the majority, in other words) would probably choose simply to retire, whether they could afford to or not. However, giant corporate farms would also confront rising costs—which they would pass along to consumers by way of dramatically higher food prices.

Yields would begin to decline—in fits and starts—as weather anomalies and water shortages affected one crop after another.

Meanwhile, people in the cities would also feel the effects of skyrocketing energy prices. Entire industries would falter, precipitating a general economic collapse. Massive unemployment would lead to unprecedented levels of homelessness and hunger.

Many people would leave cities looking for places to live where they could grow some food. Yet they might find all of the available land already owned by banks or the government. Without experience of farming, even those who succeeded in gaining access to acreage would fail to produce much food and would ruin large tracts of land in the process.

Eventually these problems would sort themselves out; people and social systems would adapt—but probably not before an immense human and environmental tragedy had ensued.

I wish I could say that this forecast is exaggerated for effect. Yet the actual events could be far more violent and disruptive than it is possible to suggest in so short a summary.

Examples and Strategies

Things don’t have to turn out that way. As I have already said, I believe that the de-industrialization of agriculture could be carried out in a way that is not catastrophic and that in fact substantially benefits society and the environment in the long run. But to be convinced of the thesis we need more than promises—we need historic examples and proven strategies. Fortunately, we have two of each.

In some respects the most relevant example is that of Cuba’s Special Period. In the early 1990s, with the collapse of the Soviet Union, Cuba lost its source of cheap oil. Its industrialized agricultural system, which was heavily fuel-dependent, immediately faltered. Very quickly, Cuban leaders abandoned the Soviet industrial model of production, changing from a fuel- and petrochemical-intensive farming method to a more localized, labor-intensive, organic mode of production.

How they did this is itself an interesting story. Eco-agronomists at Cuban universities had already been advocating a transition somewhat along these lines. However, they were making little or no headway. When the crisis hit, they were given free rein to, in effect, redesign the entire Cuban food system. Had these academics not had a plan waiting in the wings, the nation’s fate might have been sealed.

Heeding their advice, the Cuban government broke up large, state-owned farms and introduced private farms, farmer co-ops, and farmer markets. Cuban farmers began breeding oxen for animal traction. The Cuban people adopted a mainly vegetarian diet, mostly involuntarily (Meat eating went from twice a day to twice a week). They increased their intake of vegetable sources of protein and farmers decreased the growing of wheat and rice (Green Revolution crops that required too many inputs). Urban gardens (including rooftop gardens) were encouraged, and today they produce 50 to 80 percent of vegetables consumed in cities.

Early on, it was realized that more farmers were needed, and that this would require education. All of the nation’s colleges and universities quickly added courses on agronomy. At the same time, wages for farmers were raised to be at parity with those for engineers and doctors. Many people moved from the cities to the country; in some cases there were incentives, in others the move was forced.

The result was survival. The average Cuban lost 20 pounds of body weight, but in the long run the overall health of the nation’s people actually improved as a consequence. Today, Cuba has a stable, slowly growing economy. There are few if any luxuries, but everyone has enough to eat. Having seen the benefit of smaller-scale organic production, Cuba’s leaders have decided that even if they find another source of cheap oil, they will maintain a commitment to their new, decentralized, low-energy methods.

I don’t want to give the impression that Cubans sailed through the Special Period unscathed. Cuba was a grim place during these years, and to this day food is far from plentiful there by American standards. My point is not that Cuba is some sort of paradise, but simply that matters could have been far worse.

It could be objected that Cuba’s experience holds few lessons for our own nation. Since Cuba has a very different government and climate, we might question whether its experience can be extrapolated to the U.S.

Let us, then, consider an indigenous historical example. During both World Wars, Americans planted Victory Gardens. During both periods, gardening became a sort of spontaneous popular movement, which (at least during World War II) the USDA initially tried to suppress, believing that it would compromise the industrialization of agriculture. It wasn’t until Eleanor Roosevelt planted a Victory Garden in the White House lawn that agriculture secretary Claude Wickard relented; his agency then began to promote Victory Gardens and to take credit for them. At the height of the movement, Victory Gardens were producing roughly 40 percent of America’s vegetables, an extraordinary achievement in so short a time.

In addition to these historical precedents, we have new techniques developed with the coming agricultural crisis in mind; two of the most significant are Permaculture and Biointensive farming (there are others—such as efforts by Wes Jackson of The Land Institute to breed perennial grain crops—but limitations of time and space require me to pick and choose).

Permaculture was developed in the late 1970s by Australian ecologists Bill Mollison and David Holmgren in anticipation of exactly the problem we see unfolding before us. Holmgren defines Permaculture as “consciously designed landscapes that mimic the patterns and relationships found in nature, while yielding an abundance of food, fiber, and energy for provision of local needs.” Common Permaculture strategies include mulching, rainwater capture using earthworks such as swales, composting, and the harmonious integration of aquaculture, horticulture, and small-scale animal operations. A typical Permaculture farm may produce a small cash crop but concentrates largely on self-sufficiency and soil building. Significantly, Permaculture has played an important role in Cuba’s adaptation to a low-energy food regime.

Biointensive farming has been developed primarily by Californian John Jeavons, author of How to Grow More Vegetables. Like Permaculture, Biointensive is a product of research begun in the 1970s. Jeavons defines Biointensive (now trademarked as “Grow Biointensive”) farming as

. . . an organic agricultural system that focuses on maximum yields from the minimum area of land, while simultaneously improving the soil. The goal of the method is long-term sustainability on a closed-system basis. Because biointensive is practiced on a relatively small scale, it is well suited to anything from personal or family to community gardens, market gardens, or minifarms. It has also been used successfully on small-scale commercial farms.

Like Homgren and Mollison, Jeavons has worked for the past three decades in anticipation of the need for the de-industrialization of food production due to accumulating environmental damage and fossil fuel depletion. Currently Biointensive farming is being taught extensively in Africa and South America as a sustainable alternative to the globalized monocropping. The term “biointensive” suggests that what we are discussing here is not a de-intensification of food production, but rather the development of production along entirely different lines. While both Permaculture and Biointensive have been shown to be capable of dramatically improving yields-per-acre, their developers clearly understand that even these methods will eventually fail us unless we also limit demand for food by gradually and humanely limiting the size of the human population.

In short, it is possible in principle for industrial nations like the U.S. to make the transition to smaller-scale, non-petroleum food production, given certain conditions. There are both precedents and models.

However, all of them imply more farmers. Here’s the catch—and here’s where the ancillary benefits kick in.

The Key: More Farmers!

One way or another, re-ruralization will be the dominant social trend of the 21st century. Thirty or forty years from now—again, one way or another—we will see a more historically normal ratio of rural to urban population, with the majority once again living in small, farming communities. More food will be produced in cities than is the case today, but cities will be smaller. Millions more people than today will be in the countryside growing food.

They won’t be doing so the way farmers do it today, and perhaps not the way farmers did it in 1900.

Indeed, we need perhaps to redefine the term farmer. We have come to think of a farmer as someone with 500 acres and a big tractor and other expensive machinery. But this is not what farmers looked like a hundred years ago, and it’s not an accurate picture of most current farmers in less-industrialized countries. Nor does it coincide with what will be needed in the coming decades. We should perhaps start thinking of a farmer as someone with 3 to 50 acres, who uses mostly hand labor and twice a year borrows a small tractor that she or he fuels with ethanol or biodiesel produced on-site.

How many more farmers are we talking about? Currently the U.S. has three or four million of them, depending on how we define the term.

Let’s again consider Cuba’s experience: in its transition away from fossil-fueled agriculture, that nation found that it required 15 to 25 percent of its population to become involved in food production. In America in 1900, nearly 40 percent of the population farmed; the current proportion is close to one percent.

Do the math for yourself. Extrapolated to this country’s future requirements, this implies the need for a minimum of 40 to 50 million additional farmers as oil and gas availability declines. How soon will the need arise? Assuming that the peak of global oil production occurs within the next five years, and that North American natural gas is already in decline, we are looking at a transition that must occur over the next 20 to 30 years, and that must begin approximately now.

Fortunately there are some hopeful existing trends to point to. The stereotypical American farmer is a middle-aged, Euro-American male, but the millions of new farmers in our future will have to include a broad mix of people, reflecting America’s increasing diversity. Already the fastest growth in farm operators in America is among female full-time farmers, as well as Hispanic, Asian, and Native American farm operators.

Another positive trend worth noting: Here in the Northeast, where the soil is acidic and giant agribusiness has not established as much of a foothold as elsewhere, the number of small farms is increasing. Young adults—not in the millions, but at least in the hundreds—are aspiring to become Permaculture or organic or Biointensive farmers. Farmers markets and CSAs are established or springing up throughout the region. This is somewhat the case also on the Pacific coast, much less so in the Midwest and South.

What will it take to make these tentative trends the predominant ones? Among other things we will need good and helpful policies. The USDA will need to cease supporting and encouraging industrial monocropping for export, and begin supporting smaller farms, rewarding those that make the effort to reduce inputs and to grow for local consumption. In the absence of USDA policy along these lines, we need to pursue state, county, and municipal efforts to support small farms in various ways, through favorable zoning, by purchasing local food for school lunches, and so on.

We will also require land reform. Those millions of new farmers will need access to the soil, and there must be some means for assisting in making land available for this purpose. Conservation land trusts may be useful in this regard, and we might take inspiration from Indian Line Farm, here in the northeast.

Since so few people currently know much about farming, education will be essential. Universities and community colleges have both the opportunity and responsibility to quickly develop programs in small-scale ecological farming methods—programs that also include training in other skills that farmers will need, such as in marketing and formulating business plans.

Since few if any farms are financially successful the first year or even the second or third, loans and grants will also be necessary to help farmers get started.

These new farmers will need higher and stabilized food prices. As difficult as it may be even to imagine this situation now, food rationing may be required at some point in the next two or three decades. That quota system needs to be organized in such a way as to make sure everyone has the bare essentials, and to support the people at the base of the food system—the farmers.

Finally, we need a revitalization of farming communities and farming culture. A century ago, even in the absence of the air and auto transport systems we now take for granted, small towns across this land strove to provide their citizens with lectures, concerts, libraries, and yearly chautauquas. Over the past decades these same towns have seen their best and brightest young people flee first to distant colleges and then to the cities. The folks left behind have done their best to maintain a cultural environment, but in all too many cases that now consists merely of a movie theater and a couple of video rental stores. Farming communities must be interesting, attractive places if we expect people to inhabit them and for children to want to stay there.

If We Do This Well

We have been trained to admire the benefits of intensification and industrialization. But, as I’ve already indicated, we have paid an enormous price for these benefits—a price that includes alienation from nature, loss of community and tradition, and the acceptance of the anonymity and loss of autonomy implied by mass society. In essence, this tradeoff has its origins in the beginnings of urbanization and agriculture.

Could we actually regain much of what we have lost? Yes, perhaps by going back, at least in large part, to horticulture. Recall that the shift from horticulture to agriculture was, as best we can tell, a fateful turning point in cultural history. It represented the beginning of full-time division of labor, hierarchy, and patriarchy.

Biointensive farming and Permaculture are primarily horticultural rather than agricultural systems. These new, intelligent forms of horticulture could, then, offer an alternative to a new feudalism with a new peasantry. In addition, they emphasize biodiversity, averting many of the environmental impacts of field cropping. They use various strategies to make hand labor as efficient as possible, minimizing toil and drudgery. And they typically slash water requirements for crops grown in arid regions.

We have gotten used to a situation where most farmers rely on non-farm income. As of 2002 only a bit less than 60 percent of farm operators reported that their primary work is on the farm. Only 9 percent of primary operators on farms with one operator, and 10 percent on farms with multiple operators, report all of their income as coming from the farm.

The bad side of this is that it means it’s hard to make a living farming these days. The good side is that we don’t have to think of farming as an exclusive occupation. As people return to small communities and to farming, they could bring with them other interests. Rather than a new peasantry that spends all of its time in drudgery, we could look forward to a new population of producers who maintain interests in the arts and sciences, in history, philosophy, spirituality, and psychology—in short, the whole range of pursuits that make modern urban life interesting and worthwhile.

Moreover, the re-ruralization program I am describing could be a springboard for the rebirth of democracy in this nation. I do not have to tell this audience how, over the past few years, democracy in America has become little more than a slogan. In fact this erosion of our democratic traditions has been going on for some time. As Kirkpatrick Sale showed in his wonderful book Human Scale, as communities grow in size, individuals’ ability to influence public affairs tends to shrink. Sociological research now shows that people who have the ability to influence policy in their communities show a much higher sense of satisfaction with life in general. In short, the re-ruralization of America could represent the fulfillment of Thomas Jefferson’s vision of an agrarian democracy—but without the slaves.

If we do this well, it could mean the revitalization not only of democracy, but of the family and of authentic, place-based culture. It could also serve as the basis for a new, genuine conservatism to replace the ersatz conservatism of the current ruling political elites.

What I am proposing is nothing less than a new alliance among environmental organizations, farmers, gardeners, organizations promoting economic justice, the anti-globalization movement, universities and colleges, local businesses, churches, and other social organizations. Moreover, the efforts of this alliance would have to be coordinated at the national, state, and local level. This is clearly a tall order. However, we are not talking about merely a good idea. This is a survival strategy.

It may seem that I am describing and advocating a reversion to the world of 1800, or even that of 8,000 BC. This is not really the case. We will of course need to relearn much of what our ancestors knew. But we have discovered a great deal about biology, geology, hydrology, and other relevant subjects in recent decades, and we should be applying that knowledge—as Holmgren, Mollison, Jeavons, and others have done—to the project of producing food for ourselves.

Cultural anthropology teaches us that the way people get their food is the most reliable determinant of virtually all other social characteristics. Thus, as we build a different food system we will inevitably be building a new kind of culture, certainly very different from industrial urbanism but probably also from what preceded it. As always before in human history, we will make it up as we go along, in response to necessity and opportunity.

Perhaps these great changes won’t take place until the need is obvious and irresistibly pressing. Maybe gasoline needs to get to $10 a gallon. Perhaps unemployment will have to rise to ten or twenty or forty percent, with families begging for food in the streets, before embattled policy makers begin to reconsider their commitment to industrial agriculture.

But even in that case, as in Cuba, all may depend upon having another option already articulated. Without that, we will be left to the worst possible outcome.

Rather than consigning ourselves to that fate, let us accept the current challenge—the next great energy transition—as an opportunity not to vainly try to preserve business as usual, the American Way of Life that, we are told, is not up for negotiation, but rather to re-imagine human culture from the ground up.

(This lecture drew on certain ideas earlier put forward by Knox, New York farmer Sharon Astyk in her remarks at the 2006 Peak Oil and Community Solutions conference in Yellow Springs, Ohio, and on others that emerged in conversation with Pat Murphy of Community Service and Julian Darley of the Post Carbon Institute.)

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We’ll need more Farmers

Energy Descent and Agricultural Population

Jason Bradford on March 11, 2009

Some excerpts of this article below:

Among the cadre of folks who think about food systems and sustainability in the U.S., there’s a concern about the number of farmers and their age. Only about two percent (5,802,000 / 295,410,000 in 2004) of the U.S. population is part of a farm family, and the average age of principal operators of farms is nearing 60 years (See the recent release of the 2007 Ag Census for details). Since mechanization and the fuels that power machines are what enable such a small agricultural labor force, is it reasonable to assume that a decline in fossil fuels will require more farmers?

Others, such as peak oil educators Richard Heinberg and Sharon Astyk, have suggested this will indeed be the case, even going so far as to put a rough number on the future farmers of America. Their estimates are partly based on looking at the proportion of farmers in an early to pre-industrial economic system in the United States, when about a third of the population engaged in agriculture and at societal differences today. They then adjust for current population size to arrive at the admittedly tentative figure of 50 to 100 million farmers (or members of farming families) needed to feed a population of 300 million.

As these authors point out, not only is the absolute number very large compared to today, but given the age of the current crop of farmers it implies that a rapid education of youth will be required to keep bread on the table. Given the importance of this topic, I wanted to take a look myself. Just as we use multiple lines of evidence to understand the evolution of life, oil depletion, and climate change, we need to look for confirmation from as many angles as possible. Furthermore, better knowledge potentially gets us closer to grasping the scale and rate of change required to cope with the problem in the same way that depletion rates in existing fields and net exports analyses do in the oil situation, or the timing and consequences of melting ice sheets and release of methane from warming permafrost do in the climate system.

Perhaps we can validate or refute this scenario by further use of the comparative method–for example, we may compare a future scenario to a potentially analogous historic past. In the analysis presented here, I take as a given that the United States (and other high energy consuming industrial countries) will have less energy available in the future, at least of the type currently used in mechanized agriculture. The comparison I use is not historic, but contemporary. I know that today some nations have much less energy consumption than others and anecdotally I am aware that poorer countries tend to be more agrarian. If nations with less energy consumption have more farmers, it would support the notion that a reduction in energy consumption in the U.S. (and other industrialized countries) will lead to an increase in farmers.

Is there a discernable inverse relationship between energy consumption and agricultural populations among nations?

Let’s take a look. First, I had to find total population by nation and agricultural population (which I believe means farmers and their immediate dependents) by nation. These data can be downloaded from the United Nations Food and Agriculture Organization (FAO) (http://faostat.fao.org/site/550/default.aspx).

Simply dividing the agricultural population by the total population gives the percentage that live an agricultural life. The range of this figure is huge, from essentially zero for places like Singapore to over 90% for places like Bhutan. I really don’t know how accurate censuses data are from the 205 countries used (not all places are fully independent nations, e.g., Puerto Rico is separated from the U.S. in these data sets), but assume figures are in the ballpark. Certainly citizens of Bhutan and Singapore have vastly different livelihoods. According to 2004 FAO data, overall about 41% of the world’s people still live in families who work in agriculture (2.6 billion out of 6.4 billion).

Most nations (about 70%) have 40% or less of their population in agriculture. This means that the fewer countries with high percentages of agricultural workers have large populations, e.g., China and India are 64% and 52% respectively and equal about a third of the total world population. In all likelihood, large populations correlate with high population density. As a 1997 paper by Conforti and Giampietro showed, economic forces in poorer nations with dense populations tend to retain farmers.

Second, I had to find energy consumption data. It is difficult to locate data on use of wood, animal dung, etc., but for commercial energy such as oil, natural gas, coal, and electricity the Energy Information Administration (EIA) of the U.S. Department of Energy has available spreadsheets for download (see table E.1 at http://www.eia.doe.gov/iea/wecbtu.html). While this doesn’t include all forms of energy, it does cover the forms most readily usable in an industrial agricultural system.

As expected, nations with relatively little commercial energy consumption tend to have lots of farmers

To harmonize the two data sets I used 2004 data and limited the analysis to 205 nations—which I figure is fairly complete. The figure below shows the results, plotting the percent agricultural population as a potential response to per capita energy consumption.Ag Popu and energy consumption 205 countries

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Though I may have just done so, I am mistrustful of studying this issue in isolation. Nagging at me is the question of whether the globalized industrial system is inherently unstable in the face of multiple challenges, including energy scarcity but also the converging crises spawned by the surging weight of humanity. Climate change, financial wobbles, violent conflicts and related spin-offs can unpredictably disrupt the vast system of trade that moves fertilizers, seeds and replacement parts that keep industrial agriculture humming. I think we are already seeing hints of this scenario in the U.S., as farmers run short of diesel fuel during harvest season and end up leaving crops in the ground.

Some of Jason’s replies in the COMMENTS section:

Having a farming system that includes long rotations in pasture or other deep rooted perennials is very important. Must go through cycles of fungal dominance to bring deep soil layers into the mix, add the minerals to the top soil, which basically get mined by the annuals. If I was head of the USDA I would have the U.S. make a strategic goal of LOWERING its grain production by 50% so that the feedlots go out of business, land is pastured, and meat is once again grass fed and local. Do this slowly and strategically and nobody needs to starve. In fact, it would likely prevent starvation by keeping the soils from being continually pushed beyond their limits.

————–

I was looking at the work ahead of me at my little farm and thinking…it would be so much easier if I was primarily just trying to grow for my family. I could readily cover most of our vegetable food needs by hand without a whole lot of aggravation. For grains and legumes a drill seeder and small combine or at least a quality stationary thresher and seed cleaner would certainly be a great tool set. But instead I am trying to grow for other people, and they don’t pay very much. At least in my situation I don’t pay property taxes because it is public property, but what if I did? There’s no way this would be worth it.

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Softer landing if we can keep the Combines going

Save it for the Combine

August 24, 2010. Jason Bradford

Excerpts from this article:

The combine performs tasks that replace an enormous amount of labor in a reliable and timely fashion.  It cuts the stalks of seed crops, threshes the heads to dislodge the seeds, and then separates the seeds from the straw and chaff.  Without the combine (and a series of intermediate technologies), harvesting grains involves manually cutting stalks, bundling them, transporting the bundle to storage, threshing and winnowing.

The labor efficiency of the combine is extreme.  Over the course of a long and somewhat boring 12 hour day in his air conditioned cab (made a little better by listening to audio books on an iPod), Clint can harvest about 25 acres of wheat.  We visited while he was in a field with a hard red variety that yields about 2400 lbs per acre (soft white yields are 2-3 times higher).  In one day, Clint and his machine will collect 60,000 lbs of hard red wheat, or 1000 bushels.

Each pound of wheat contains about 1500 food calories (i.e., kilo calories), and a person needs about 2500 calories per day.  A year’s supply of calories for a person is in the neighborhood of 900,000, which in wheat units is 600 lbs.  In simple terms, during a day of work Clint can supply the annual food needs of 100 people.  Of course he and his dad Mike also spent days prepping and sowing the field, and there are hours planning, maintaining equipment, and marketing, etc., but in total the amount of time actually spent with machines on that 25 acres is probably only a week or so.  And since Clint and his family manage to farm several hundred acres it all works out to about 100 people fed by one guy like Clint, which is typical for the US food system.

I propose that the main enabler of a demographic shift away from rural-agrarian populations to an urban-industrial one is the combine.  The combine removes most labor from agriculture for the most critical crops:  edible grains, legumes and oil seeds.  Seeds are a highly portable, storable and versatile class of food, allowing civilizations to trade and buffer against shortages.  Most calories now consumed derive directly or indirectly from seeds.

It seems plausible that in the US we could do away with 3/4 of our per capita energy and, if we allocate smartly, keep the combines running and continue to feed everybody with little extra labor (and assuming climate change doesn’t bite too sharply into yields).

I  have mixed feelings about how the historical shift into cities and away from farms has impacted our culture.  On the one hand, surplus food has permitted our society to specialize greatly, developing technologies, arts and forms of entertainment that I truly enjoy.  Material abundance may also have led to cultural openness and flexibility, or what may be called liberalism, as opposed to the rigidity, isolation and xenophobia common to many pre-industrial societies.

On the other hand, I am certainly no fan of the over-consumptive lifestyles and the disconnection from nature endemic to highly industrialized cultures.  However, one possible future entails a larger agrarian population as industrialized countries lose access to abundant fossil fuels.  For example, even if we manage to save fuel for the combines, more labor will still be needed for plenty of other tasks.  While this is likely to be a painful process, what could emerge is greater ecological awareness—the understanding that our livelihoods are deeply connected and dependent upon natural processes.  Such a path is described in some detail by David Holmgren in Future Scenarios.

If energy descent is slow enough, our economy will have hybrid characteristics—leveraging the value of existing infrastructure and machinery as long as possible while learning how to adapt to natural rhythms.  Keeping such a transition as benign as feasible requires food supply stability. Maintaining social cohesion gives the population time to adjust to the new normal.  Combines, I would argue, are a fantastic tool for obtaining surplus food.  We should keep them running during any potential phase of “scarcity industrialism.”

Energy Returned

Obviously, combines are entirely reliant on barrels and barrels of liquid fuel.  Clint told me he uses about 50 gallons of fuel for every 8-9 hours harvesting wheat, which would cover about 17 acres.  This means it takes around three gallons of diesel fuel per acre, just for the harvest. In standard energy terms three gallons of diesel contains 0.44 Giga Joules (GJ).  For comparison, 2400 lbs of wheat contains just over 15 GJ of edible energy.  Ignoring all the other energy needed to deliver the fuel to the farm, and get the crop to maturity, the harvest-only EROI is a highly profitable 34:1.

Liquid fuels are absolutely essential for industrial farming systems.  I worry less about nitrogen fertilizer inputs, herbicides and pesticides, as these can be dramatically reduced using organic and agroecological methods.  It is much more difficult to substantially decrease liquid fuel usage.  Even with no-till methods, tractors make passes to sow seeds, and they make passes to harvest.

Unless you relish the idea of your descendants living a life akin to Little House on the Prairie, it may be prudent to cut back a bit on oil consumption today and extend the reserves of fossil fuels as long as possible.  Time is second to oil on my list of most precious resources.  A slowing down today, when we have so much excess, potentially buys a lot of time for tomorrow.  I don’t know if we will use this time to develop liquid fuel substitutes for fossil fuels to run combines, or manufacture millions of scythes and train a whole generation to use them.

 

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Energy in the Food System uses 19% of all energy consumed in the USA. Pimentel 2008

Preface.  There are many ways to calculate how much energy is used in the food system  This first paper estimates 19%, the paper below 14%. It all depends on how much you include, and whether it is just the farm or from farm to table and all the steps between

Continue reading

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Articles about the Stages of Collapse

Complexity, Problem Solving, and Sustainable Societies

1996. Joseph A. Tainter

from GETTING DOWN TO EARTH: Practical Applications of Ecological Economics, Island Press, 1996; ISBN 1-55963-503-7 http://www.amazon.com/exec/obidos/ASIN/1559635037

OVERVIEW   Historical knowledge is essential to practical applications of ecological economics. Systems of problem solving develop greater complexity and higher costs over long periods. In time such systems either require increasing energy subsidies or they collapse. Diminishing returns to complexity in problem solving limited the abilities of earlier societies to respond sustainably to challenges, and will shape contemporary responses to global change. To confront this dilemma we must understand both the role of energy in sustaining problem solving, and our historical position in systems of increasing complexity.

INTRODUCTION In our quest to understand sustainability we have rushed to comprehend such factors as energy transformations, biophysical constraints, and environmental deterioration, as well as the human characteristics that drive production and consumption, and the assumptions of neoclassical economics. As our knowledge of these matters increases, practical applications of ecological economics are emerging. Yet amidst these advances something important is missing. Any human problem is but a moment of reaction to prior events and processes. Historical patterns develop over generations or even centuries. Rarely will the experience of a lifetime disclose fully the origin of an event or a process. Employment levels in natural resource production, for example, may respond to a capital investment cycle with a lag time of several decades (Watt 1992). The factors that cause societies to collapse take centuries to develop (Tainter 1988). To design policies for today and the future we need to understand social and economic processes at all temporal scales, and comprehend where we are in historical patterns. Historical knowledge is essential to sustainability (Tainter 1995a). No program to enhance sustainability can be considered practical if it does not incorporate such fundamental knowledge.

In this era of global environmental change we face what may be humanity’s greatest crisis. The cluster of transformations labeled global change dwarfs all previous experiences in its speed. in the geographical scale of its consequences, and in the numbers of people who will be affected (Norgaard 1994). Yet many times past human populations faced extraordinary challenges, and the difference between their problems and ours is only one of degree. One might expect that in a rational, problem-solving society, we would eagerly seek to understand historical experiences. In actuality, our approaches to education and our impatience for innovation have made us averse to historical knowledge (Tainter 1995a). In ignorance, policy makers tend to look for the causes of events only in the recent past (Watt 1992). As a result, while we have a greater opportunity than the people of any previous era to understand the long-term reasons for our problems, that opportunity is largely ignored. Not only do we not know where we are in history, most of our citizens and policy makers are not aware that we ought to.

A recurring constraint faced by previous societies has been complexity in problem solving. It is a constraint that is usually unrecognized in contemporary economic analyses. For the past 12,000 years human societies have seemed almost inexorably to grow more complex. For the most part this has been successful: complexity confers advantages, and one of the reasons for our success as a species has been our ability to ‘Increase rapidly the complexity of our behavior (Tainter 1992, 1995b). Yet complexity can also be detrimental to sustainability. Since our approach to resolving our problems has been to develop the most complex society and economy of human history, it is important to understand how previous societies fared when they pursued analogous strategies. In this chapter I will discuss the factors that caused previous societies to collapse, the economics of complexity in problem solving, and some implications of historical patterns for our efforts at problem solving today. This discussion indicates that part of our response to global change must be to understand the long-term evolution of problem-solving systems.

To read the rest of the article, select the title or go to http://dieoff.org/page134.htm

Tainter’s law: where is the physics?

March 27, 2011. Ugo Bardi.  cassandralegacy.blogspot.com

Joseph Tainter has written a fascinating interpretation of the collapse of human civilisations in his book “The Collapse of Complex Societies” (1988) (see also his 1996 paper) Collapse is a common event: it is the stuff history books are made of. The mighty empires of the past; from Sumeria to the Soviet Union, have all collapsed at some point. Yet, we don’t seem to be able to understand the reasons why collapse is so common.

In his book, Tainter examines previous studies and lists at least eleven causes (or “concauses”) of collapse that have been proposed by historians. Resource depletion, catastrophes, intruders, social conflict, and others. But is there a single cause of collapse? Or are there several? Tainter looks for a single, common root of the problem and finds it in what he calls “the decreasing returns of complexity”.

Bardi proposes a model that can be viewed here: “Physics of Collapse

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What is “our” oil doing in their economy? — Saudi oil consumption trends

What is “our” oil doing in their economy? — Saudi oil consumption trends

April 8, 2011. Jonathan Callahan

Oil importing nations have long treated Saudi Arabia as an infinitely deep well of crude oil supplies. In 2005, Matt Simmon’s book Twilight in the Desert called attention to the possibility of diminishing production, recent cables released by Wikileaks reveal possible overstatement of Saudi oil reserves, as does this post on The Oil Drum.  Oil exports from Saudi Arabia depend on more than production – you also need to consider the energy consumption within Saudi Arabia .

[some excerpts from this article below]

Saudi net-exports of crude oil have entered terminal decline

Saudi Arabia’s rapid growth from a population of 5 million in 1965 to 25 million in 2010 and the population is still projected to reach 27 million in 2015 and 32 million in 2025.

This article makes the case that the Saudi economy will consume ever increasing quantities of the oil they are currently exporting. The hope that they will turn to solar or nuclear power is unlikely.  In the real world of existing infrastructure, existing know-how, existing finance and existing technology oil and natural gas will continue to fuel Saudi growth.  The Fukushima disaster in Japan makes the odds of nuclear power even less than before, and even if the Saudis decided to build a nuclear power plant, it takes 10 years to build one.

[My comment: Solar power is unlikely as well after Prieto and Hall’s book “Spain’s Photovoltaic Revolution. The Energy Return on Investment”.

Internal consumption in Saudi Arabia was 27% of total oil production in 2009, up 50% since 2000, due to strong economic and industrial growth and subsidized prices. Contributing to this growth is rising direct burn of crude oil for water desalinization and for power generation, which reaches 1 million bbl/d during summer months, and the use of natural gas liquids (NGLs) for petrochemical production. Khalid al-Falih, CEO of Saudi Aramco, warned that domestic liquids demand was on a pace to reach over 8 million bbl/d (oil equivalent) by 2030 if there were no improvements in energy efficiency and current trends continued.

With no infrastructure for import/export of natural gas, the Kingdom consumes 100% of its own production. In 2008, natural gas accounted for 44% of total energy consumption with oil making up the rest.

Water Desalination

Providing fresh water to Saudi’s millions is a very high priority in their desert environment. To date, 27 desalination plants operate throughout the country, which provide 70% of the nation’s potable water along with 28 thousand megawatts of electricity from Integrated Water and Power Plants (IWPP). Unfortunately, this currently requires burning approximately 1.5 million barrels per day of crude oil.

Large cars

The strength of the Saudi economy, reflected in a higher per capita income, led to the increasing popularity of luxury cars and premium automobiles. In addition, Saudis have always opted for large SUVs that can accommodate large families. The market for GMC Suburbans and similar sized SUVs has remained relatively unaffected by the fluctuations in the economy.

Other countries exporting less too

Both Indonesia and Egypt have seen relatively moderate declines in their ability to produce oil. Yet they have been eliminated from the ranks of oil exporting nations because of rising internal consumption. Indonesia’s net exports of oil have fallen steadily since their secondary peak production year in 1992. Egyptian net exports of oil have fallen steadily since their peak production year in 1993 [my comment: and many experts believe that this is what fueled unrest the past few years because the revenue to buy food for Egyptians was no longer available once they stopped exporting oil]. So far, Saudi annual net exports of oil have fallen steadily since their peak production year in 2005.

Reviewing the population growth in figure 1) and all the evidence presented above it seems safe to predict that Saudi net exports of crude oil have entered terminal decline.

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Grow Nut Trees in your backyard

Woody Agriculture – On the Road to a New Paradigm

July 27, 2012.  Philip A. Rutter et. al.

[snipped and some paraphrasing – do read the whole long article at the link above if you are interested in planting nut trees.]

You may be familiar with the Land Institute’s work and hopes for a perennial agriculture based on future domestication of wild perennial prairie grasses.  But very few are familiar with Badgersett Research Corporation (BRC) which has been around as long as the Land Institute, but their research is based on woody plants,not grasses.   We could get most of our food from woody crop plants.

[Note: there are many other universities and institutions doing research on hazelnuts and other nut crop trees for just as long as Badgersett who may have better (hybrid) trees that would do better where you live than Badgersett, I.e. Oregon State University has been researching hazelnuts since the 1950s. Also the Universities of Michigan, Wisconsin, Nebraska, Rutgers, etc.]

Harvesting

Jeffery and I have never harvested our hazelnuts before the squirrels and scrub jays got them, now I know why:

One warning- the VAST MAJORITY of new hazel growers see their nuts developing, and ripening; and watch them very very carefully- until they are all gone off the bush.

Mice and bluejays jump on hazels the instant they show signs of ripeness (squirrels and chipmunks BEFORE then) – so you need to pick them before the critters; particularly on isolated bushes or plantings of just a few, where the animals can concentrate. This is a skill you can learn; we have hints here: http://weblogs.eos.net/WoodyAg/Stories/ there are 2 bits on “determining ripeness”. In general; there is a 2 week window where YOU can pick the nuts; before the critters do. But you have to jump before the bluejays- they will not forget.

Where do hazelnuts grow?

Be sure to research this before you buy any (zones, water requirements, fertilizer, etc). European varieties only produce in the Oregon area.  The do best in USDA zones 4-5, very well in 6, will grow but often not as well in zones 3, 7, 8, 9.

Badgersett

This company breeds hazelnuts, chestnuts, and hickory-pecan, for crops with wide adaptation and multiple uses, each with both food and biomass components. Both bush and tree forms are under development.

Hazels and hickories are “strictly” wind pollinated.

What we work on is distinct from the multiple versions of “Agroforestry”, which typically means growing timber with food crops, but no significant food from the trees themselves; and from “Tree crops”, the traditional practices described by J.Russell Smith in 1929, which do not include the potential for crop improvement using modern genetics. Agroecology and Permaculture are additional embodiments of progressive alternative agriculture; mainstream agronomists tend to feel both may deliver more ideologies than technologies, and so far can demonstrate few impacts on global problems. None of these alternatives have proven attractive to large scale farmers; and it is specifically large scale agriculture that has the most serious environmental impacts.

Long term inputs are dramatically smaller than for standard agriculture, and potential solar energy capture is very much greater; in the range of 3X more than single crop maize.

the US is in the grip of a broad and severe drought, already affecting crop prices and raising great concern. Our neohybrid hazels, growing under the same conditions which have destroyed neighboring corn fields, are nearly unaffected- except they are ripening their seed crop ahead of schedule. Experience in a similar drought in 1988 showed they could bear the crop, and also bear their crop in the next year.

Woody crops are also more tolerant than row crops to the other end of the weather spectrum; flood. Flood water that covers young annual plants will generally kill them; but woody plants, with their tops above water, are essentially unaffected.

One additional energy related advantage: woody agriculture can produce food; on the same scale as modern agriculture. But because of the 3X energy capture aspect the same crop can simultaneously produce a biomass fuel component. In the case of hazelnuts, our top recorded experimental yields, based on multiple single-bush data, indicates that food production exceeding soybean averages is attainable, with the nutshell component of the crop available for fuel, annually.

Dry neohybrid hazelnut shell is dense, with an energy content measured at 8,800 BTU/lb, at 1.8% ash. The wood component of the crop is harvested on a rotating basis, approximately once every 8-10 years. The entire energy picture for these crops is much more complex, and very importantly- flexible, within and between years, always with the potential to retain the food component.

For those with the interest, an hour-long video lecture is available on YouTube; the recorded introductory presentation from our annual 2 day Short Course. Be forewarned, this is an unhurried format, and starts out slow by internet standards; but the pace does pick up, and it is comprehensive.

Because woody perennial plants use energy stored from the previous year’s photosynthesis, they are able to deploy a full functional, deeply 3 dimensional solar collection array very rapidly, as soon as local average temperatures make physiological processes efficient. Annual row crops, of course, must build new collection capabilities out of current energy capture; and while perennial grasses also used stored energy to deploy collectors, they cannot achieve nearly the same depth or complexity.

Just a few reasons why tree nuts are so valuable:

•Non-perishable commodity foods (dry nuts are less perishable than grains.)
•Protein – avg 10%; nutritionally complete
•Oil
–Hazel kernel is 60% oil; the chemical twin of olive oil
–Hickory/pecan is 70% oil
–Biodiesel demonstrated
•Carbohydrate – chestnut 50%, comparable to maize
•High density nutshell (pelletize/gasify/burn, bioplastics feedstock, chemical extractives)
•Hardwood biomass (fuel, paper, OSB, lumber, etc.)

It’s a no-till crop

While these ultimate “no-till” crops are frequently cited by others as being suitable for “marginal” crop lands, we do not make that recommendation. Marginal soils are at best steep; making machine harvest and other management more expensive, and at worst dry with poor soils- meaning crop yields will also be poor. Woody crops are expensive to establish compared to annual crops; good returns are critical. The woody crops may eventually perform better than tilled crops on such soils, but marginal land is not a pathway to seriously improved food or biomass production.

No-till is a big deal, it causes far less erosion.  From my Peak Soil article:

  • Row crops like corn and soy cause 50 times more soil erosion than sod crops (Sullivan 2004) or more (Al-Kaisi 2000), because the soil between rows can wash or blow away. If corn is planted with last years corn stalks left on the ground (no-till), erosion is less of a problem, but only about 20% of corn is grown no-till.  Soy is usually grown no-till, but has insignificant residues to harvest for fuel.
  • Long before there was “Peak Oil”, there was “Peak Soil”. Iowa has some of the best topsoil in the world.  In the past century, half of it’s been lost, from an average of 18 to 10 inches deep (Pate 2004, Klee 1991).
  • Productivity drops off sharply when topsoil reaches 6 inches or less, the average crop root zone depth (Sundquist 2005).
  • Crop productivity continually declines as topsoil is lost and residues are removed.  (Al-Kaisi May 2001, Ball 2005, Blanco-Canqui 2006, BOA 1986, Calviño 2003, Franzleubbers 2006, Grandy 2006, Johnson 2004, Johnson 2005, Miranowski 1984, Power 1998, Sadras 2001, Troeh 2005, Wilhelm 2004).
  • On over half of America’s best crop land, the erosion rate is 27 times the natural rate, 11,000 pounds per acre (NCRS 2006). The natural, geological erosion rate is about 400 pounds of soil per acre per year (Troeh 2005).  Some is due to farmers not being paid enough to conserve their land, but most is due to investors who farm for profit.  Erosion control cuts into profits.
  • Erosion is happening ten to twenty times faster than the rate topsoil can be formed by natural processes (Pimentel 2006).  That might make the average person concerned.  But not the USDA — they’ve defined erosion as the average soil loss that could occur without causing a decline in long term productivity.
  • Troeh (2005) believes that the tolerable soil loss (T) value is set too high, because it’s based only on the upper layers — how long it takes subsoil to be converted into topsoil.  T ought to be based on deeper layers – the time for subsoil to develop from parent material or parent material from rock.  If he’s right, erosion is even worse than NCRS figures.
  • We’ve come a long way since the 1930′s in reducing erosion, but that only makes it more insidious.  Erosion is very hard to measure — very little soil might erode for years, and then tons per acre blown or washed away in an extreme storm just after harvest, before a cover crop has had a chance to protect the soil.  We need better ways of measuring and monitoring erosion, since estimates wildly differ (Trimble 2000).

Pest management: we have found that “ecosystem pest management”, the provision of diverse habitat for the maintenance of insect predators/diseases – works. We currently use no pesticides of any kind, and do not foresee a need. Besides habitat maintenance, genetic improvement of crop adaptations to pests is perpetual.

Fertilizer: yes, of course. The woody crops must establish large root systems and above-ground wood in order to function. Wild trees take decades to achieve maturity, partly because they must accumulate basic nutritional components in the very small increments normally available to unmanaged environments; a bird dropping here, nutrients from a dropped branch there. Establishing food producing crop plants in the human time frame requires considerable fertilizer inputs.

Our current belief is that providing fertilizer on the same order as that used for maize will be necessary for the first 10 years; following that, the necessary inputs decrease. Some ongoing inputs will prove necessary; to the extent nutrients are removed in harvested crops, they will inevitably have to be replaced.

Applied fertilizer does not escape into aquifers or drainages. The first infrastructure these woody crops build is a huge, permanent root system; according to actual experiment a 6 year old hazel field captures 100% of applied fertilizer.

Animals are being integrated, and we see this as a viable direction. We utilize horses, sheep, and poultry between the aisles of the crop plants, to “mow grass”, translate legumes to crop available nitrogen, and help in crop plant management. We are attempting to calculate animal inputs and costs, for direct comparison with machine alternatives, e.g. the use of diesel powered mowers to keep grass short enough to allow harvest and discourage rodents. This is very much a work in progress, but initial results are quite promising. Even large commercial vineyards/orchards may now hire sheep and goats to do careful work, replacing fossil fuel inputs with animals.

Periodic coppice, the practice of cutting the trees or bushes to the ground on a rotating basis, is the method used to manage the removal of old wood, or wood getting too tall for best management. Hazel rotations are approximately 8-12 years; chestnut coppice can be managed on a 20-30 rotation, depending on the wood products desired. On the longer rotation, harvest may yield poles for utilities or log cabin construction, both high value products, or small dimension lumber; the shorter rotation will yield fence post, vine props, charcoal and biochar. Rotations for hickory-pecan are not established, but first experiments show very strong coppice response.

Philip A. Rutter, B. L. Rutter-Daywater, and S. J. Wiegrefe. Phil Rutter is the Founding President of The American Chestnut Foundation; trained in ecology and evolution, he has been working in SE Minnesota for 35 years on domesticating several woody plant genera for commodity agriculture-style food production.

Comments of interest (PAR is the author commenting)

Wild and untended nut and fruit trees suffer from parasites much more frequently than tended ones. Here in California, the native hunter-gatherer population would burn the undergrowth in oak forests every few years to keep the pests down and acorn production high. (see “Tending the Wild” by M. Kat Anderson) In this way, they achieved one of the densest hunter-gatherer populations in the world, a population which was largely sedentary. And that was with wild species – and the huge variation in crop yield from year-to-year.

In France we rarely keep fresh chesnut for long time. Longer storage require caning freezing, making it into a paste that look like peanut butter (but is more sweet) or grinding it into a flour that can be used to make bread.

PAR: One of the primary reasons I started working with chestnuts is that they do NOT “mast” crop [i.e. don’t bear any acorns for a year or more], in the normal meaning of the word. Oaks do (temperate oaks; some tropical ones do not); and in oaks it is typical for wild acorn production to vary by as much as 2,000%, from on year to another. Wild chestnuts, by comparison, may vary only as much as 50% from year to year; orders of magnitude more stable. The neohybrid breeding path generates seedlings where “wild type” instruction sets are disrupted, allowing us to select for plants that bear every year; progress there with the hazels is quite advanced; initial variations in the hickory-pecans indicate it’s possible.

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Oil Reserve Estimates are WAY too high

Old Math Casts Doubt on Accuracy of Oil Reserve Estimates

Asjylyn Loder. april 3, 2014. Bloomberg News

Jan Arps is the most influential oilman you’ve never heard of. In 1945, Arps, then a 33-year-old petroleum engineer for British-American Oil Producing Co., published a formula to predict how much crude a well will produce and when it will run dry. The Arps method has become one of the most widely used measures in the industry. Companies rely on it to predict the profitability of drilling, secure loans and report reserves to regulators.  The problem is the Arps equation has been twisted to apply to shale technology, which didn’t exist when Arps died in 1976. John Lee, a University of Houston engineering professor and an authority on estimating reserves, said billions of barrels of untapped shale oil in the U.S. are counted by companies relying on limited drilling history and tweaks to Arps’s formula that exaggerate future production. That casts doubt on how close the U.S. will get to energy independence, a goal that’s nearer than at any time since 1985, according to data from the U.S. Energy Information Administration.  “Things could turn out more pessimistic than people project,” said Lee. “The long-term production of some of those oil-rich wells may be overstated.”

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Charles Hall on EROEI

[ For a full understanding of EROI, which Hall invented in 1973 as a way of evaluating which energy resources could best replace fossil fuels, see Hall’s latest book: Hall, Charles A.S. 2017. Energy Return on Investment: A Unifying Principle for Biology, Economics, and Sustainability.  It’s a shame that EROI studies are still not funded well now that we’re on the edge of the Net energy cliff.

Here’s a quick overview of what Energy Returned On Invested means. What happens when the EROI gets too low? What’s achievable at different EROIs? (since this was published in 2008 Hall has estimated an EROI of up to 14 is required)

  • If you’ve got an EROI of 1.1:1, you can pump the oil out of the ground and look at it.
  • If you’ve got 1.2:1, you can refine it and look at it.
  • At 1.3:1, you can move it to where you want it and look at it.
  • We looked at the minimum EROI you need to drive a truck, and you need at least 3:1 at the wellhead.
  • Now, if you want to put anything in the truck, like grain, you need to have an EROI of 5:1. And that includes the depreciation for the truck.
  • But if you want to include the depreciation for the truck driver and the oil worker and the farmer, then you’ve got to support the families. And then you need an EROI of 7:1.
  • And if you want education, you need 8:1 or 9:1.
  • And if you want health care, you need 10:1 or 11:1.

Civilization requires a substantial energy return on investment. You can’t do it on some a low EROI fuel like corn-based ethanol, which has an EROI of around 1:1.

Alice Friedemann   www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer and “Crunch! Whole Grain Artisan Chips and Crackers”. Podcasts: Practical Prepping, KunstlerCast 253, KunstlerCast278, Peak Prosperity , XX2 report ]

Charles A. S. Hall.  2012. Energy Return on Investment. Post Carbon Institute.

Source: Hall, C.A.S., R. Powers, W. Schoenberg. 2008. Peak oil, EROI, investments and the economy in an uncertain future. Pimentel, D. (ed). Renewable Energy Systems: Environmental and Energetic Issues. Elsevier London

A short excerpt from this 24 page paper:

Real fuels must have EROIs of 5 or 10 or more returned on invested to not be subsidized by petroleum or coal in many ways, such as the construction of the vehicles and roads that use them. the scale of the problem can be seen by the fact that we presently use more fossil energy in the US than is fixed by all green plant production, including all of our croplands and all of our forests (Pimentel, D. Personal communication).

Energy and money are not the only critical aspects of development of energy alternatives. Recent work by Hirsch et al. (2005) has focused on the investments in time that might be needed to generate some kind of replacement for oil, should that be possible and peak oil occur.

They examined what they thought might be the leading alternatives to provide the US with liquid fuel or lower liquid fuel use alternatives, including tar sands, oil shales, deep water petroleum, biodiesel, high MPG automobiles and trucks and so on. They assumed that these technologies would work (a bold assumption) and that an amount of investment capital equal to “many Manhattan projects” would be available.

They found that the critical resource was time — once we decided that we needed to make up for the decline in oil availability these projects would need to be started one or preferably two decades in advance of the peak for there not to be severe dislocations to the US economy.  Given our current petroleum dependence, the rather unattractive aspects of many of the available alternatives, and the long lead time required to change our energy strategy the investment options are not obvious.

This, we believe, may be the most important issue facing the United States at this time: where should we invest our remaining high quality petroleum (and coal) with an eye toward insuring that we can meet the energy needs of the future.  We do not believe that markets can solve this problem alone or perhaps at all. Research money for good energy analysis unconnected to this or that “solution” simply are not available.

Human history has been about the progressive development and use of ever higher quality fuels, from human muscle power to draft animals to water power to coal to petroleum. Nuclear at one time seemed to be a continuation of that trend, but that is a hard argument to make today. Perhaps our major question is whether petroleum represents but a step in this continuing process of higher quality fuel sources or rather is the highest quality fuel we will ever have on a large scale.

Will Fossil Fuels Be Able to Maintain Economic Growth? A Q&A with Charles Hall

The inventor of the energy return on investment (EROI) metric argues that economic growth could soon stop—and that we need to get smart about incorporating the true cost of fuel in energy policies

Mar 19, 2013  By Mason Inman  Scientific American

“Drill, baby, drill” has become a slogan of those who want to produce more oil and gas and who scoff at alternatives to petroleum. But rarely mentioned is the expense required to get that oil and gas—and still more rarely mentioned is the energy required to access those resources.

Charles Hall, an ecologist at the State University of New York College of Environmental Science and Forestry in Syracuse, has spent most of his long career trying to get fellow researchers and the public to take a serious look at the energy required to get the energy we use. He is given credit for creating a measure known as the energy return on investment, or EROI—the ratio of energy output over energy input. (With oil, for example, the energy output would be the crude oil produced, and the energy input would be all that required to find the oil reservoir, drill the well and pump the oil out of the ground.) EROI is a crucial metric, Hall argues, because it helps us see which energy sources are high quality and which are not.

Hall and his students did pioneering work in this area, including a 1984 paper on the cover of Science. For many years, however, interest in the topic languished. But recent soaring oil prices and increasing difficulty of accessing new supplies have helped create economic hardships, leading to resurgent interest in EROI. Scientific American asked Hall to explain the basis of the EROI and how it pertains to our economy.

[An edited transcript of the interview follows.]

You’re a self-described “nature boy” who became an ecologist. So how did you create the idea of energy return on investment (EROI)? I had this unbelievable doctoral advisor, H. T. Odum of the University of North Carolina in Chapel Hill. He said, “Well, Charlie, I don’t think anyone has thought about fish migration from a systems perspective.

I went down to the coast of North Carolina, looking for a place where I could do this research. And I found one: in this freshwater environment, where fish weren’t supposed to be migrating, they were migrating like crazy.

And you approached this migration mystery from an energy-use perspective. How did you do that? I measured the ecosystem productivity by the free-water oxygen technique. I measured it at five different places, upstream and downstream, and found some very clear patterns. The energy available to the fish was much more concentrated as you went upstream, and I developed this theory that the fish would migrate to capitalize on the abundance of energy for the first year or two of the life, and then the young fish would migrate downstream into a more stable but less productive environment.

The study found that fish populations that migrated would return at least four calories for every calorie they invested in the process of migration by being able to exploit different ecosystems of different productivity at different stages of their life cycles.

So from studying fish migration, was it a big leap to think about people and fossil fuels? No, probably because Howard Odum was evolving in his thought processes. He wrote a book Environment, Power and Society at about that time. An amazing thing working with Odum was, for him, there are just systems. It doesn’t matter if it’s a forested system or a stream system or an estuarine system, or whether people are there or not. It’s just a system—and systems have many similar patterns and many similar processes of consumption and production, and they often even have similar controls on them.

So, it was not difficult for me, because I was trained that way from Howard Odum. Also, when I was a graduate student there were a lot of very exciting things going on. Ecologists were much more involved—not just in biodiversity, which is where much of the focus is today, but in dealing with important issues of the relation of humans to resources. Paul Ehrlich [author of The Population Bomb (1968)], Garrett Hardin [known for his 1968 Science paper “The Tragedy of the Commons”], George Woodwell [founder of the Woods Hole Research Center], many other people—these were very influential to me as a graduate student.

For society’s energy sources, is it important to consider EROI? Is there a lot of oil left in the ground? Absolutely. The question is, how much oil can we get out of the ground, at a significantly high EROI? And the answer to that is, hmmm, not nearly as much. So that’s what we’re struggling with as we go further and further offshore and have to do this fracking and horizontal drilling and all of this kind of stuff, especially when you get away from the sweet spots of shale formations. It gets tougher and tougher to get the next barrel of oil, so the EROI goes down, down, down.

Is there some minimum EROI we need to have? Since everything we make depends on energy, you can’t simply pay more and more and get enough to run society. At some energy return on investment—I’m guessing 5:1 or 6:1—it doesn’t work anymore.

What happens when the EROI gets too low? What’s achievable at different EROIs? If you’ve got an EROI of 1.1:1, you can pump the oil out of the ground and look at it. If you’ve got 1.2:1, you can refine it and look at it. At 1.3:1, you can move it to where you want it and look at it. We looked at the minimum EROI you need to drive a truck, and you need at least 3:1 at the wellhead. Now, if you want to put anything in the truck, like grain, you need to have an EROI of 5:1. And that includes the depreciation for the truck. But if you want to include the depreciation for the truck driver and the oil worker and the farmer, then you’ve got to support the families. And then you need an EROI of 7:1. And if you want education, you need 8:1 or 9:1. And if you want health care, you need 10:1 or 11:1.

Civilization requires a substantial energy return on investment. You can’t do it on some kind of crummy fuel like corn-based ethanol [with an EROI of around 1:1].

A big problem we have facing the alternatives is they’re all so low EROI. We’d all like to go toward renewable fuels, but it’s not going to be easy at all. And it may be impossible. We may not be able to sustain our civilization on these alternative fuels. I hope we can, but we’ve got to deal with it realistically.

Do you think we’re facing limits to growth now? I think if you correct the U.S. GDP for debt—in other words, the debt is some kind of not-real growth—then I think the GDP hasn’t grown at all since 2005. It’s just grown through debt. I think clearly growth has declined; it’s possible that growth has either stopped or may soon stop.

We know that the middle class has not increased its income now for 20 years. Behind that—not always the immediate cause, but looking over the shoulder of the causes—I find the decline in the availability of energy.

It’s terrifying to people—politicians and economists—who base everything on growth. I think they won’t talk about it because the concept is terrifying.

Most economists think economic growth can continue indefinitely, right? It was easy to make economic theories that worked while we pumped more and more oil out of the ground, because whether you’re a capitalist or a communist or a this-ist or a that-ist, they’d work—because there was more oil to make them work. We could afford all the corruption and inefficiencies in the past and still have quite a lot trickle down.

But now the pie is not getting that much bigger. Now, it’s pretty clear that there’s a lot of economic theories that aren’t working very well.

How do these economic arguments relate to people’s day-to-day lives? Doesn’t it mean food on the table, a roof over your head, gas in your car—a car itself? So economics isn’t really about money. It’s about stuff. We’ve been toilet trained to think of economics as being about money, and to some degree it is. But fundamentally it’s about stuff. And if it’s about stuff, why are we studying it as a social science? Why are we not, at least equally, studying it as a biophysical science?

Hall recently co-authored a book on this biophysical perspective with economist Kent Klitgaard, Energy and the Wealth of Nations: Understanding the Biophysical Economy (Springer, 2011).

 

This is also a chapter in The Energy Reader: Overdevelopment and the Delusion of Endless Growth, Tom Butler, Daniel Lerch, and George Wuerthner, eds. (Healdsburg, CA: Watershed Media, 2012).

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