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Olduvai III: Catacylsm
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Methane and climate: 10 things you should know

September 6, 2018

Methane and climate: 10 things you should know The graph above shows methane concentrations in Earth’s atmosphere over the past 10,000+ years: 8000 BCE to 2018 CE.  The units are parts per billion (ppb).  The year 1800 is marked with a circle. Note the ominous spike.  As a result of increasing human-caused emissions, atmospheric methane […]

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Energy slaves, “hard work,” and the real sources of wealth

August 9, 2018

Energy slaves, “hard work,” and the real sources of wealth Many Canadians and Americans struggle financially.  Millions are unemployed.  Many others live paycheque-to-paycheque.  A 2017 report by the US Federal Reserve Board found that 40 percent of US citizens couldn’t cover an unexpected expense of $400 without selling something or borrowing money.  There’s a lot […]

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We’re in year 30 of the current climate crisis

August 1, 2018

An excerpt from the Conference Statement of the 1988 World Conference on the Changing Atmosphere held in Toronto We’re in year 30 of the current climate crisis In late-June, 1988, Canada hosted the world’s first large-scale climate conference that brought together scientists, experts, policymakers, elected officials, and the media.  The “World Conference on the Changing […]

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Civilization as asteroid: humans, livestock, and extinctions

June 13, 2018

Mass of humans, livestock, and wild animals (terrestrial mammals and birds) Civilization as asteroid: humans, livestock, and extinctions Humans and our livestock now make up 97 percent of all animals on land.  Wild animals (mammals and birds) have been reduced to a mere remnant: just 3 percent.  This is based on mass.  Humans and our […]

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There are just two sources of energy

April 26, 2018

Global primary energy consumption by fuel or energy source, 1965-2016 There are just two sources of energy Our petro-industrial civilization produces and consumes a seemingly diverse suite of energies: oil, coal, ethanol, hydroelectricity, gasoline, geothermal heat, hydrogen, solar power, propane, uranium, wind, wood, dung.  At the most foundational level, however, there are just two sources […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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