The Weekend Wonk: Richard Alley on Climate History and CO2

Climate Denial Crock of the Week

Great time saver.

4.6 billion years in 25 minutes.

Also great review of the main points of climate change 101 – in case you are going to a barbecue with Uncle Dittohead this weekend.


NAS member Richard Alley presents on 4.6 Billion Years of Earth’s Climate History: The Role of CO2, during the Symposium—Earths, Moons, Mars & Stars at the National Academy of Sciences 152nd Annual Meeting.

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