How much hope is there in these climate solutions, or should we just start adapting to a hotter planet?

John Hockenberry (journalist and co-writer of Climate of Doubt, a “Frontline” documentary) with Dennis Dimick (Executive Editor for Environment at National Geographic), Daniel Nocera (scientist at Harvard) and Terry Root (professor at Stanford University and co-winner of the Nobel Prize for her contributions to the Intergovernmental Panel on Climate Change)