I don't think the fossil fuel industry will listen, not until we build up a lot of pressure. I do think we can persuade some shareholders that they don't want to be involved in this enterprise.

The most blatant examples are increased power and frequency in hurricanes and the increased depth and frequency of heat waves.

Our weird problem is an abundance of resources and a shortage of hard economic reasons not to use them.

It's off the charts - and if you don't believe the scientists, ask the insurance industry, the people we pay to analyze risk in our society.

Very few people on earth ever get to say: 'I am doing, right now, the most important thing I could possibly be doing.' If you'll join this fight that's what you'll get to say

We also have to engage - and I think this is important - in national politics because there is no way to address questions of this scale in the short time that we have to address them without engaging in real political change.

We have built a greenhouse, a human greenhouse, where once there bloomed a sweet and wild garden.