I think that so far the political and economic power of the fossil fuel industry has trumped all else.

Probably more than anything else, the place that we really see the effects of the power of even the relatively mild temperature increases so far is in the melting of everything frozen on the planet.

Environmentalism, I'd always been told, was just rich white people.

I'm guessing the most efficient way would be to transfer an awful lot of technology, but also direct aid to deal with climate emergencies already underway. Hillary [Clinton] has already said $100 billion a year would be appropriate.

Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

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.

Most of the men and women who vote in Congress each year to continue subsidies have taken campaign donations from big energy companies.