Monthly Archives: November 2019

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 Other Experts, Overshoot, Population | Tagged , , | 3 Comments

Gravity energy storage

Preface. This is interesting, but not commercial. And as my book “When trucks stop running” explains, trucks are the basis of civilization, and can’t run on electric batteries or overhead wires. Even if they could, I explained why a 100% … Continue reading

Posted in Energy Storage, Research | Tagged | 8 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

Many signs of peak oil and decline

Preface.  Recently the IEA 2018 World Energy Outlook predicted an oil crunch could happen as soon as 2023.  Oil supermajors are expected to have 10 years of reserve life or more, Shell is down to just 8 years. Political shortages … Continue reading

Posted in Debt, How Much Left, Peak Oil | Tagged , | 6 Comments