When we respond to threats immediately and take action right away, it's usually the threats that we're hard-wired to respond to, the kinds of things that our ancestors survived.

I take no pleasure in the fact that the scientific predictions I’ve relayed to popular audiences turn out to be true.

...2009 saw the eighth 'ten-year flood' of Fargo, North Dakota, since 1989. In Iowa, Cedar Rapids was hit last year by a flood that exceeded the 500-year flood plain. All-time flood records are being broken in areas throughout the world.

A lot of people go straight from denial to despair without pausing in the middle and doing something about it.

I was born a poor black child.

Every day we put another 110 million tons of global warming pollution into the sky as if it's an open sewer, and it's still building up. And the scientists tell us it's a race against time. We've stabilized emissions globally now for the last three years, but they need to start coming down quickly. We've got the momentum, we've got the wind in our sails, we're gonna win this.

When you're going through an emotional experience and you're focussed completely on what's happening, you can't even spare any attention that the camera's there.