Much of the scientific community has been astonished that their increasingly strong and detailed warnings have been either ignored or attacked.

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.

Much of the scientific community has been astonished that their increasingly strong and detailed warnings have been either ignored or attacked.

Protecting dozens of major coastal cities from future flooding will be challenging enough-rebuilding major coastal cities destroyed by super-hurricanes will be an almost impossible task.

The last time Earth was 1°C warmer than today, sea levels were 20 feet higher.

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.

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.