It was just 20 years ago that the IPCC- the intergovernmental climate change group- rolled out the concept of global weather tipping points. And a few years ago they warned we had about 10 years left to drastically reduce emissions. As natural disasters become more frequent, are we approaching that tipping point now?

Dr. Ben Strauss joins Thom- he's been studying accurate new information from NASA on the ground height along the coast around the world- it turns out many more areas are at risk from sea level rise than we thought. Can we change to a green economy to save our cities?

Plus Thom reads from 'On Fire: The Burning Case for the Green New Deal' by Naomi Klein'.

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