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

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.

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

If our government won't spend the money to protect New Orleans sufficiently today, what are the chances we will spend the money to protect dozens of coastal cities post-2050, once everyone knows that sea levels will keep rising and intense hurricanes will occur relentlessly?

The great political tragedy of our time is that conservative leaders in America have chosen to use their superior messaging and political skills to thwart serious action on global warming.

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