Colonialism of one kind or another, imperialism of one kind or another, and slavery, and on and on and on.

If we had about 100 years, that sort of slow cultural conversion would be exactly the thing to do. But physics is calling the tune here. We've got to respond to a timetable that physics has set for us.

[The Maldives] they've become deeply politically engaged - just for instance, the president taught his whole cabinet to scuba dive so they could hold an underwater cabinet meeting along their dying coral reef and pass a 350 resolution to send to the U.N.

Climate change is a huge problem, an almost insoluble problem.

We spend a lot of time playing defence against bad things. So, in the US, one of the focusses has been this huge Keystone Pipeline project, another has been the coal ports on the Pacific Ocean.

The habits of the West in terms of consumption.

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