shouldn't deal with global warming but to say we are not right now. so when people are saying, no, no, let's make these grand promises for 2100 we don't do them. there's a simple reason why. it's very costly to cut carbon emissions right now. that's why we should make it cheaper. >> let me ask you something. in your book upon which your documentary is based, you use examples -- you have several examples of things that make you feel good and do good. in the case of polar bears, that's the iconic image of what we most fear will happen. i think there are more than there have ever been. we'll leave that to sarah palin. under the feel good which is you have written up here kyoto you would save 0.06 and if you do good you would save 49 polar bears. how does that work? >> and that's just for one area. let's take it for the whole north pole. if we all did the kyoto protocol