The climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would be irreversible, if we do not rapidly slow fossil-fuel emissions over the next few decades.

...chief executives of large fossil fuel companies to [should] be put on trial for high crimes against humanity and nature; [Hansen] accusing them of actively spreading doubt about global warming in the same way that tobacco companies blurred the links between smoking and cancer.

I think we have a very brief window of opportunity to deal with climate change. No longer than a decade at most.

Talking nice about sun and wind and green jobs is just greenwash.

Burning all the fossil fuels will destroy the planet we know, Creation, the planet of stable climate in which civilization developed.

What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.

We're running out of time.