What we have already done is enough to keep the momentum of global warming going the next centuries. That's a very difficult political reality, it is a great ch

What we have already done is enough to keep the momentum of global warming going the next centuries. That's a very difficult political reality, it is a great challenge. How can we deal with politics and everything else when the facts look like this? When the best we can do is to "not make it worse", then it's very hard for people to see the benefits of the changes we have to make.