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

Ideology trumps rationality. Most conservatives cannot abide the solution to global warming - strong government regulations and a government-led effort to accelerate clean-energy technologies in the market.

On our current path, all our great Gulf and Atlantic coast cities are at risk of meeting the same fate as New Orleans.

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.

Conservatives... are so opposed to government regulations that they are skeptical of anyone who identifies a problem that requires regulatory solutions - and they are inherently accepting of those who downplay such problems.

We have been getting rich by depleting all our natural stocks - water, hydrocarbons, forests, rivers, fish and arable land - and not by generating renewable flows.

The best thing about improvements in health care is that all the climate-change deniers are now going to live long enough to see how wrong they were.