How can Earth Scientists and programmers really make predictions about the climate? What are the ethics of having kids in a warming world? How to combat the disastrous politicization of the issue? Dr. Peter deMenocal is the Dean of Science at Columbia, and a Geologist. As a research scientist, he studies how Earth's climate has changed in the past. Dr. Kate Marvel helps figure out its future by creating the world's most detailed and accurate computer climate-models. Together, they're the perfect pair to help Alec and listeners understand what scientists really understand about the climate and how -- and why there's reason for hope.
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