Category Archives: Soil

The 10th planetary boundary: Salt

Preface. In 2009, Johan Rockström proposed that there were nine planetary boundaries we must not cross.  In 2023, Richardson et al found that 6 of the 9 boundaries had been transgressed: Climate change CO2 and radiative forcing, Biosphere integrity, land … Continue reading

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China is destroying itself

Preface. China has been destroying itself for many decades now.  In Mao’s “great leap forward” about 35 to 50 million are estimated to have died from starvation from 1958 on, as you’ll read in my book review of” Shapiro J … Continue reading

Posted in Biodiversity Loss, Hazardous Waste, Mining, Soil | Tagged , , , | 1 Comment

Dust Bowl 2.0 – they’re coming back!

Preface. Two forms of soil erosion may bring back the Great Depression Dustbowls. The first is that Great Plains grasslands have been replaced with corn crops to grow ethanol, which have increased the amount of dust 100% over the past … Continue reading

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Corn for ethanol & soy for biodiesel tremendously destructive

In the news: Cullen A (2024) Corn Belt fertilizer is killing the Gulf of Mexico. Washington Post. About 30 percent of the nitrogen applied for raising corn is lost to water, and much of it right now is draining off … Continue reading

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Soil salinity and erosion

Preface.  Civilizations fail when their soils are ruined or eroded.  One way conquerors made sure that those they enslaved during wars was to salt their land and burn their homes so they had nowhere to escape to. Erosion is an … Continue reading

Posted in Peak Topsoil, Scientists Warnings to Humanity, Soil | Tagged , , , , | 2 Comments

Climate change impacts on agriculture

Preface. There are three articles below on this topic.  Plus these articles in the news: Nakagawa T et al (2021) The spatio-temporal structure of the Lateglacial to early Holocene transition reconstructed from the pollen record of Lake Suigetsu and its … Continue reading

Posted in BioInvasion, Drought & Collapse, Extreme Weather, Food production, Heat, Peak Topsoil, Soil, Water, Where to Be or Not to Be | Tagged , , , , , , , | Comments Off on Climate change impacts on agriculture

Peak Sand

Preface. With world peak oil production in 2018 so far (Peak oil is here!) it looks like peak sand won’t be the main factor in the fall of our fossil-fueled civilization. After all, oil makes all materials and activities possible, … Continue reading

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Vanishing open spaces: population growth and sprawl in America

  Preface.  Before the fossil fuel age began, about 80 to 90% of people farmed to make a living. Since the end of the oil age will send us back to the past, farmland and farmers will once again comprise … Continue reading

Posted in Overpopulation, Peak Food, Soil | Tagged , , , | 5 Comments

Using manure for fertilizer in the future – it won’t be easy

Preface. At John Jeavons Biointensive workshop back in 2003, I learned that phosphorous is limited and mostly being lost to oceans and other waterways after exiting sewage treatment plants.  He said it can be dangerous to use human manure without … Continue reading

Posted in Life Before Oil, Soil, Waste, Water Pollution | Tagged , , , , , , | 8 Comments

Book review of Dirt: the erosion of civilization

Preface. On average civilizations collapsed after 800 to 2,000 years because they’d destroyed their topsoil, some of it caused by deforestation to grow more food, make metals, ceramics, glass and other objects requiring high heat, which fossils provide today. Today, … Continue reading

Posted in Agriculture, Peak Food, Soil | Tagged , , , , | 4 Comments