James Hansen and the Three Categories of the Runaway Greenhouse: Earth Uninhabitable for Humans at ~5,000 Gigatons Fossil Fuel Burned

robertscribbler

( Image source: Arctic News)

Forget for a moment that we can still emit about 530 gigatons of CO2 and still keep human warming in the ‘safe range’ of less than 2 degrees (Celsius) temperature increases this century. Forget for a moment how important to the sustenance of human civilization and the prevention of ever-worsening conditions this strict limit on carbon emissions is. Now think for a moment what will happen if Republicans in Congress and fellow conservatives aligned with fossil fuel companies across the country and around the world get their way.

In the past month, Republicans in the House of Representatives have pushed to increase US coal burning, approve the Tar Sands Keyston XL Pipeline, remove energy efficiency standards, and to slash US government (ARPA -E) R&D funding for new renewable energy technology by 80 percent. Fully 55% of all Republicans in the…

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