There is an urgent need to stop subsidizing the fossil fuel industry, dramatically reduce wasted energy, and significantly shift our power supplies from oil, coal, and natural gas to wind, solar, geothermal, and other renewable energy sources.

[The Maldives] they've become deeply politically engaged - just for instance, the president taught his whole cabinet to scuba dive so they could hold an underwater cabinet meeting along their dying coral reef and pass a 350 resolution to send to the U.N.

The laws of Congress and the laws of physics have grown increasingly divergent, and the laws of physics are not likely to yield.

We spend probably more of our time than we should, just because it's close to home, worrying about the West. But it's equally important to figure out how we're going to free up the resources to let the developing world leapfrog the fossil fuel age. That's at least as mathematically important, and at least as morally crucial.

We have to get our states to adopt what are called "renewable portfolio standards" pledging to use a lot of renewable energy by 2015 or 2020. We have to work with businesses and shops to get them engaged in the same way.

Ice in the West Antarctic and over Greenland, i.e., ice that's over a rock at the moment, that will raise the level of the sea as it slides into the ocean, putting at risk everyone and everything that lives on the coasts, and that includes an enormous percentage of the world's people.

We just see a sort of cascading amount of data of the damage that is being done by those increased temperatures.