"How can we begin to address the global, insidious problem of climate change — a problem that?s too big for any one country to solve? Economist Nicholas Stern lays out a plan, presented to the UN?s Climate Summit in 2014, showing how the world?s countries can work together on climate. 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?"