The state of the climate -- and what we might do about it | Nicholas Stern

Tomorrow, the UN begins its first Climate Summit, enlisting the world to work together on a problem that’s too big for any single country to solve alone. Economist Lord Nicholas Stern helped write a report that outlines where we are now — and what we could do next. It’s a big vision for cooperation, with a payoff that goes far beyond averting disaster. He asks: How can we use this crisis to spur better lives for all?