Every nation has a moral obligation to safeguard the future.

I see myself in the mold of Rin Tin Tin. It didn't go to his head either.

The ten hottest years in the atmospheric record, going back only 160 years, have been in the last eleven years.

The oil industry has outpaced the building of a public consensus of the implications of climate science.

Humankind has suddenly entered into a brand new relationship with our planet. Unless we quickly and profoundly change the course of our civilization, we face an immediate and grave danger of destroying the worldwide ecological system that sustains life as we know it.

There's such a wide variation in tax systems around the world, it's difficult to imagine a harmonized CO2 tax that every country agrees to. That's not in the cards in the near term. But the countries that are doing the best job, like Sweden, are already doing both of these. I think that eventually we'll use both of them but we need to get started right away and the cap-and-trade is a proven and effective tool.

The moral imperative to make big changes is inescapable...that what we take for granted may not be here for our children