Geoengineering may sound like science fiction, but there are many who believe we can — and should — be taking drastic measures to cool our planet down.

Oliver Morton, Briefings Editor, The Economist; Author, The Planet Remade: How Geoengineering Could Change the World (Princeton University Press, 2015)
Kim Stanley Robinson, Author, 2312 (Orbit, 2012)
Ken Caldeira, Climate Scientist, Carnegie Institution for Science, Department of Global Ecology at Stanford University

This program was recorded in front of a live audience at the Commonwealth Club of California on January 28, 2016.