Do believe that if we fail to act in time, it will be the single biggest regret any of us has at the end of our lives.

You must become a climate champion, a single-issue voter. You must take whatever action you can. You must use whatever influence you have wherever it would make a difference, even if it is only to educate the people around you.

Bush and Inhofe will go down in history with other leaders such as Herbert Hoover and Neville Chamberlain who were blind to their nation's gravest threats.

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.

When people ask me what they should do, I reply, "Get informed, get outraged, and then get political."

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

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