Before Hansen’s 88 Testimony- What we Knew and When we Knew it on Climate

June 24, 2018

Archival footage from early 80s shows how much climate scientists understood and predicted the changes we are seeing now.

Compare predictions from 83 with current observations.

Below, John Holdren, science advisor to Barack Obama,  walks thru the history of late 70s, early 80s climate science.

 

 

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