Hansen’s 1988 global-warming prediction was thrice observation

Hansen’s business-as-usual scenario A is now universally recognized, even among the Thermageddonites, to have been a baseless and absurd exaggeration. It predicts two or three times as much warming as has happened. As the chart below shows, notwithstanding trillions spent, CO2 emissions have exceeded IPeCaC’s business-as-usual emissions scenario in 1990, so the failure of the world to warm at anything like the Scenario A rate cannot be attributed to emissions reduction.

via Watts Up With That?

https://ift.tt/3eeVcTA

April 21, 2021 at 12:22AM

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