Category Archives: Limits To Growth

75% of Earth’s Land Areas Are Degraded. Environmental damage threatens 3.2 billion people.

  Preface. Yikes, by 2050 95% of Earth’s land could be degraded and reduce or even end food production, forcing hundreds of millions to migrate. Whatever you’ve read in the past about the State of the World, it’s gotten even … Continue reading

Posted in Agriculture, Biodiversity Loss, Limits To Growth, Peak Food | Tagged , , , | Leave a comment

Book: John Perlin’s “A Forest Journey: The Story of Wood and Civilization”

Preface.  This contains excerpts from John Perlin’s “A Forest Journey: The Story of Wood and Civilization”. It’s one of my favorite books about natural resources, exploring the role wood has played in the rise and fall of civilizations since they … Continue reading

Posted in Collapse of Civilizations, Collapsed, Deforestation, Limits To Growth, Peak Resources, Soil, Wood | Tagged , , , , | 1 Comment

U.S. farmers destroy future food production for centuries with modern farming methods

[ Below are excerpts from a devastating critique of current farming practices by the National research council. Here are some of the main points. “Most food is produced by farmers who rely on agriculture for their livelihood. …surveys repeatedly show … Continue reading

Posted in Agriculture, Air, Biodiversity Loss, Climate Change, Groundwater, Limits To Growth, Peak Food, Pesticides, Soil, Water | Tagged , , , , , | 1 Comment

Conventional economic theory ignores the laws of physics

[ It’s the energy stupid!  These figures clearly show a link between energy and the economy. Conventional economic theory has to ignore energy or that would prove that there are Limits to Growth.  What follows is from Nafeez Ahmed’s 2017 … Continue reading

Posted in Economists are Stupid and Crazy, Limits To Growth | Tagged , , , , , | 3 Comments

Limits to Growth? 2016 United Nations report provides best evidence yet

This peer-reviewed United Nations report (excerpts below) ought to scare anyone who understands exponential growth. Here are a few examples to think about while reading the report: If 2 grams of gold grew at a 5% compound rate for 2,000 … Continue reading

Posted in ! PEAK EVERYTHING, Distribution of Wealth, Exponential Growth, Limits To Growth, Organizations, Other Experts | Tagged , , | 5 Comments

Gail Tverberg: 2017 The year the world economy starts coming apart

[ Note: In a 2016 post “Overly Simple Energy-Economy Models Give Misleading Answers” Tverberg points out that: “The common lay interpretation of simple models is that running out of energy supplies can be expected to be our overwhelming problem in … Continue reading

Posted in Limits To Growth, Net Energy Cliff | Tagged , , , , | 4 Comments

Book review of Failing states, collapsing systems biophysical triggers of political violence by Nafeez Ahmed

[ In this post I summarize the sections of Nafeez’s book about the biophysical factors that bring nations down (i.e. climate change drought & water scarcity, declining revenues after peak oil, etc.) The Media tend to focus exclusively on economic … Continue reading

Posted in Agriculture, Cascading Failure, Caused by Scarce Resources, Collapse of Civilizations, Collapsing, Drought, Drought, Exports decline to ZERO, Interdependencies, Limits To Growth, Middle East, Net Energy Cliff, Other Experts, Over Oil, Overpopulation, Peak Oil, Violence, War & Violence | Tagged , , , , , | 3 Comments

Peak food. Sustainability challenged as many renewable resources max out

[ Also see related article Limits to Growth? 2016 United Nations report provides best evidence yet. 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 … Continue reading

Posted in Limits To Growth, Peak Food | Tagged , | 5 Comments

Ted Trainer criticizes Hatfield-Dodds CSIRO study in Nature that denies “Limits to Growth”

[This study denies “Limits To Growth”, and I’ve posted Ted Trainer’s objections below.  It is alarming Nature would publish such claptrap.  Has Rupert Murdoch secretly purchased them? Alice Friedemann www.energyskeptic.com] Ted Trainer.  November 2015. A brief critical response to the … Continue reading

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Solar PV cells using rare elements unlikely to scale up enough to replace fossil fuels

[ Sunshine may be free, but the materials to make solar contraptions aren’t.   Since sunshine arrives in a diluted form (2500 kWh/m2), vast expanses of solar photovoltaic panels will be needed to produce the world’s 15 Terawatts of power that … Continue reading

Posted in Alternative Energy Resources, Limits To Growth, Photovoltaic Solar, Rare Minerals | Tagged , , , , , , , | Comments Off on Solar PV cells using rare elements unlikely to scale up enough to replace fossil fuels