Category Archives: 3) Fast Crash

The case for a fast, rather than a slow one. Most societies crashed in 20 years or less. There has never been or will be again a crash like ours, where the world of 7 billion people became utterly dependent on a non-renewable source of energy — fossil fuels.

Permafrost will limit natural gas, oil, and coal extraction

Preface. For many people, it’s comforting to know that about 25% of remaining oil and gas reserves (we have the know-how and economics to get it) and resources (beyond our technical and monetary capability) are in the arctic. They assume … Continue reading

Posted in Arctic, EROEI remaining oil too low, How Much Left, Peak Natural Gas, Peak Oil, Reserves Lower than stated, Roads, Transportation | Tagged , , , , | Leave a comment

Charcoal for the high heat needed in manufacturing after peak oil

Preface. De Decker (2011) writes: “A large share of energy consumed worldwide is by heat. Cooking, space heating and water heating dominate domestic energy consumption. In the UK, these activities account for 85% of domestic energy use, in Europe for … Continue reading

Posted in Industrial Heat, Peak Biofuels, Wood | Tagged , , , | 3 Comments

Foreign Policy: The limits of clean energy

Preface. This article appeared in the magazine Foreign Policy. Some of the points made are: Renewables to power the world would require 34 million metric tons of copper, 40 million tons of lead, 50 million tons of zinc, 162 million … Continue reading

Posted in Alternative Energy, Alternative Energy Resources, Consumption | Tagged , , | 8 Comments

Peak Sand

Preface.  Sand Primer: Without sand, there would be no concrete, ceramics, computer chips, glass, plastics, abrasives, paint and so on We can’t use desert sand because it’s too round, polished by the wind, and doesn’t stick together. You need rough … Continue reading

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Net Energy Cliff Will Lead to Collapse of Civilization

The remaining oil is poor quality, and the energy to get this often remote oil so great that more and more energy (blue) goes into oil production itself, leaving far less — the grey area — available to fuel the … Continue reading

Posted in 2) Collapse, 3) Fast Crash, An Overview, By People, Energy, EROEI Energy Returned on Energy Invested, Net Energy Cliff, Stages of | Tagged , , , , , , | 12 Comments

Himalayan glaciers that supply water to a billion people are melting fast

Preface. The Himalayan glaciers that supply water to a billion people are melting fast, already 30% has been lost since 1975. Adding to the crisis are the 400 dams under construction or planned for Himalayan rivers in India, Pakistan, Nepal, … Continue reading

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Global oil discoveries far from breaking even with consumption

Preface.  According to Bloomberg (2016), oil discoveries in 2015 were the lowest since 1947, with just 2.7 billion barrels of conventional oil found globally (though Rystad calculated this differently at 5.6, nearly twice as much). Since the world burns 36.5 … Continue reading

Posted in How Much Left, Peak Oil | Tagged , | 2 Comments

Tesla pickup truck claims defy the laws of physics by John Engle

In 2017 scientists questioned whether the Tesla Semi could meet Musk’s claims (see post “Given the laws of physics, can the Tesla Semi really go 500 miles, and what will the price be?”). I suspect this is why Tesla has … Continue reading

Posted in Electric Trucks, Electric trucks impossible, Electrification | Tagged , , | 5 Comments

Bodhi Paul Chefurka: Carrying capacity, overshoot and sustainability

Preface. This is a post written by Bodhi Paul Chefurka in 2013 at his blog paulchefurka.ca here. I don’t understand his ultimate sustainable carrying capacity based on hunter gatherers. Why will agriculture go away? But the rest of the article … Continue reading

Posted in Overshoot, Paul Chefurka, Population | Tagged , , | 7 Comments

Peak Stainless Steel

This study shows that there is a significant risk that stainless steel production will reach its maximum capacity around 2055 because of declining nickel production, though recycling, and use of other alloys on a very small scale can compensate somewhat. … Continue reading

Posted in Important Minerals, Infrastructure | Tagged , , | 4 Comments