A lot in the faith-based community, a lot of fundamentalist groups are - are now saying, you know, the Earth is the lord and the fullness there of, and we have an obligation to be good stewards of the planet.

I strongly believe in the separation of church and state. But freedom of religion does not mean freedom from religion, there is a better way.

I'm not trying to top anything. I'm trying to be useful, to play a positive role, to serve the public interest.

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

Researchers at the Naval Postgraduate School have told us that the entire Arctic ice cap may totally disappear in summer in as little as five years if nothing is done to curb emissions of greenhouse gas pollution.

The struggle against poverty in the world and the challenge of cutting wealthy country emissions all has a single, very simple solution... Here it is: Put a price on carbon.

As many of you know, I was very instrumental in the founding of the Internet