In 2005... Mumbai, India, saw that country's most intense recorded instance of rainfall - 3 feet of rain in twenty-four hours.

Time is short. We have at most a decade to sharply reverse course.

If Americans in 2100 came to see 12 meters sea-level rise as inevitable by 2200, who can even begin to fathom how the nation would respond?

The United States could dramatically reduce its carbon emissions per kilowatt-hour without raising its overall energy bill.

Hurricane seasons with four or more super-hurricanes, those with sustained wind speeds of 131 mph or more will soon become the norm.

By the end of the third decade of this century, all of American life - politics, international relations, our homes, our jobs, our industries, the kind of cars we drive - will be forever transformed by the climate and energy challenge.

Replacing half of the U.S. ground-transport fuels with hydrogen from wind power by 2050, for example, might require 1,400 gigawatts of advanced wind turbines or more... replacing those fuels with electricity might require less than 400 GW.