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David J Helfand talks to Andy Fryers

Climate Change: A Survival Guide to the Misinformation Age

Hay Festival 2019 , 

There are few issues where public debate is conducted with so much misinformation and irrational exuberance. So now for something completely different: a dispassionate analysis of what we actually know and what we don’t yet know about climate change. David J Helfand, Professor of Astronomy at Columbia University, carefully distinguishes facts from fictions and physics certainties from feedback uncertainties.