Category Archives: Experts

experts in energy, ecology, collapse, carrying capacity, biophysical and neoclassical economics, etc.

Bodhi Paul Chefurka: Carrying capacity, overshoot and sustainability

Posted on November 10, 2019 by

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

The carbon trap by Paul Chefurka

Posted on October 1, 2019 by

Preface. We are caught in the carbon trap — we utterly depend on fossils that don’t have an electric replacement. Someday people will figure this out the hard way, but Chefurka compassionately points out that there is no one to … Continue reading →

Posted in Consumption, Human Nature, Interdependencies, Paul Chefurka | Tagged , , | 13 Comments

Will California’s high-speed rail go off the tracks? Challenges facing California’s high-speed rail. House Hearing 2014.

Posted on May 9, 2019 by

Preface.  In 2019, Gov. Gavin Newsom said “there simply isn’t a path” for completing the project “from Sacramento to San Diego, let alone from San Francisco to L.A”. Originally the project was going to cost $33 billion, by 2014 when the … Continue reading →

Posted in Railroads, Transportation | Tagged | 3 Comments

Part 2. How long do civilizations last on average? 336 years

Posted on May 6, 2019 by

I stopped trying to find out why each civilization failed in Wiki because it’s not always clear and historians bicker over it, though it’s clear drought, invasions, civil wars, and famines played a role in most of them.  Yet what’s … Continue reading →

Posted in Cambridge Centre Study of Existential Risk, Collapsed, Scientists Warnings to Humanity | Tagged | 4 Comments

Replacing diesel tractors with horses or oxen – what will that be like?

Posted on April 27, 2019 by

Preface.  Since fossil fuels are clearly finite, at some point increasing numbers of farmers with diesel vehicles and equipment will want to replace them with horses, which can do the work of six people.  Here’s what  energy expert Vaclav Smil … Continue reading →

Posted in Agriculture, Life Before Oil, Muscle Power, Peak Food, Vaclav Smil | Tagged , , , | 1 Comment

Ugo Bardi: “Energy Dominance,” what does it mean? Decoding a Fashionable Slogan

Posted on April 9, 2019 by

Preface.  A very good article about energy and war, explains a lot about how the world really works. Alice Friedemann   www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer and “Crunch! Whole Grain Artisan … Continue reading →

Posted in Over Oil, Ugo Bardi | Tagged , | 1 Comment

Book review of Bryce’s “Power hungry: the myths of green energy and the real fuels of the future”

Posted on March 28, 2019 by

Preface.  This is a book review of: Robert Bryce. 2009. Power Hungry: The Myths of “Green” Energy and the Real Fuels of the Future. This is a brilliant book, very funny at times, a great way to sharpen your critical … Continue reading →

Posted in Energy, Other Experts | Tagged , , , , | 9 Comments

Book review of Heinberg’s “Afterburn: society beyond fossil fuels”

Posted on March 25, 2019 by

Preface. This book has 15 essays Heinberg wrote from 2011 to 2014, many of them available for free online.  These are some of my Kindle notes of parts that interested me, so to you it will be disjointed and perhaps … Continue reading →

Posted in By People, Energy, Peak Oil, Richard Heinberg | Tagged , , | 9 Comments

Pedro Prieto: many solar panels won’t last 25-30 years, EROI may be negative

Posted on March 4, 2019 by

Preface. Pedro Prieto and Charles Hall wrote the definitive book on the EROI of solar power, “Spain’s Photovoltaic Revolution. The Energy Return on Investment” and has built many commercial facilities himself and witnessed the failure of solar panels long before … Continue reading →

Posted in Pedro Prieto, Photovoltaic Solar | Tagged , , , | 7 Comments

Richard Heinberg: Our bonus decade

Posted on March 1, 2019 by

Preface.  Because of the bonus oil and gas fracking brought us starting in 2005, Heinberg says “I’ve titled this essay “Our Bonus Decade” because the past ten years were an unexpected (by us peakists, anyway) extra—like a bonus added to … Continue reading →

Posted in Crash Coming Soon, Richard Heinberg | Tagged , , | 7 Comments