Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

The world hasn't ended, but the world as we know it has-even if we don't quite know it yet.

My guess is that liberating the fossil fuel industry to frack anywhere they want will drive down the rate at which we're converting to sun and wind. And it's entirely a rate problem at this point.

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 models that have been constructed agree that when, as has been predicted, the level of carbon dioxide or its equivalent in other greenhouse gases doubles from pre-Industrial Revolution concentrations, the global average temperature will increase, and that the increase will be 1.5 to 4.5 degrees Celsius or 3 to 8 degrees Fahrenheit... In Dallas, for instance, a doubled level of carbon dioxide and other gases like methane, would increase the number of days a year with temperatures above 100 degrees from 19 to 78 each year.

Most of the men and women who vote in Congress each year to continue subsidies have taken campaign donations from big energy companies.

[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.