Category Archives: Wood

Vaclav Smil on wood

Posted on January 17, 2018 by

[ I’ve extracted bits about wood from Smil’s book about materials below, read the book for the larger context.  Enormous amounts of wood were used in former civilizations with much smaller populations than today, so it’s clear we can’t go … Continue reading →

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How burning biomass made us human

Posted on November 15, 2016 by

[ This is a book review of Wrangham’s “Catching Fire: How cooking made us human”. Fire enabled us to have larger brains from the increased calories in cooked food, held carnivores at bay, killed bacteria, and gave us many other … Continue reading →

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From Wood (10,000 BC to 1750) to coal (1750-1920) to Oil, Natural Gas, & Electricity to What?

Posted on July 2, 2014 by

Cutler J. Cleveland . Energy Quality, Net Energy, and the Coming Energy Transition.  Department of Geography and Center for Energy and Environmental Studies, Boston University The level of health, food security and especially material standard of living that exists today … Continue reading →

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Germany National Academy of Sciences report: Don’t use biofuels

Posted on August 10, 2012 by

Preface. This German study explains why biomass doesn’t scale up to make biofuels, whether from algae, cellulose, or plants, as well as why trying to do so would harm the environment. Alice Friedemann  www.energyskeptic.com Women in ecology  author of 2021 … Continue reading →

Posted in Algae, Biofuels, Biomass, Biomass EROI, Wood | Tagged , , , , | Comments Off on Germany National Academy of Sciences report: Don’t use biofuels