Category Archives: Experts

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

Walter Youngquist: Geodestinies Minerals

Preface. I was fortunate enough to know Walter for 15 years. He became a friend and mentor, helping me learn to become a better science writer, and sending me material I might be interested in, and delightful pictures of him … Continue reading

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Walter Youngquist: Geodestinies Metals

Preface. I was fortunate enough to know Walter for 15 years. He became a friend and mentor, helping me learn to become a better science writer, and sending me material I might be interested in, and delightful pictures of him … Continue reading

Posted in Mining, Walter Youngquist | Tagged , , | 1 Comment

Youngquist: Geodestinies Population

Preface. Youngquist emphasized overpopulation in everything he wrote, since this is the root of all our problems — pollution, climate change, soil erosion, fresh water depletion, extinction, biodiversity loss — can you think of a single problem that wouldn’t be … Continue reading

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Walter Youngquist: Geodestinies

Preface. I was fortunate enough to know Walter for 15 years. He became a friend and mentor, helping me learn to become a better science writer, and sending me material I might be interested in, and delightful pictures of him … Continue reading

Posted in Energy Books, Walter Youngquist | Tagged , , , , | 5 Comments

Why rare and valuable metals are not recycled

Preface. This is a post about why rare and critical metals aren’t recycled at all or at best, just a small percent. Basically it is still cheaper to mine them from scratch than to try to separate them out from … Continue reading

Posted in Peak Critical Elements, Peak Platinum Group Elements, Peak Precious Elements, Peak Rare Earth Elements, Recycle, Recycling, Ugo Bardi | Tagged , , , , , , , , | 5 Comments

Ugo Bardi’s The Universal Mining Machine

Preface. Below I’ve excerpted some of Ugo Bardi’s “The Universal Mining Machine” (24 January 2008 europe.theoildrum), but I’ve left a great deal out of this excellent article, I encourage you to read all of it if you have time. The … Continue reading

Posted in Mining, Peak Critical Elements, Ugo Bardi | Tagged , , , | 4 Comments

Ugo Bardi: Collapse. Where can we find a safe refuge?

Preface. This is from the excellent blog Cassandralegacy.blogspot.com of Ugo Bardi’s posted here. I agree that a small town or city might be best, but only if near agriculture, most towns in the desert SouthWest of the U.S. are not … Continue reading

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Building a national super grid in America

Preface. Renewables are not evenly distributed.  Just 10 states have 80% of hydropower (Homeland Security 2011), 10 states produce 75% of wind power (EIA 2017), and 10 states produce 79% of solar power (CE 2020). With a national grid, instead … Continue reading

Posted in Blackouts Electric Grid, Electric Grid, Electric Grid & Fast Collapse, Electricity Infrastructure, National Super Grid, Solar, Vaclav Smil, Wind | Tagged , , | 3 Comments

A nationwide blackout lasting 1 year could kill up to 90% Americans

Preface. What follows is the 30-page testimony of Dr. Pry at a 2015 U.S. House of Representatives session that I’ve summarized. In addition to electromagnetic pulses from a solar event, nuclear weapon, or purpose-built equipment, cyberattacks can also bring down … Continue reading

Posted in Blackouts, Congressional Record U.S., Electricity Infrastructure, EMP Electromagnetic Pulse, Extreme Weather, Nuclear Power Collapse, Nuclear War, U.S. Congress Energy Policy, U.S. Congress Infrastructure | Tagged , , , , , | 4 Comments

Paul Chefurka: More thoughts on Sustainability

The critical feature of sustainability isn’t how many people can be supported by the planet at any given moment in time. Rather, it is the number of humans that could live here without irreparably damaging the biosphere we depend on … Continue reading

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