By the end of this century, climate change will reduce the human population to a few breeding pairs surviving near the Arctic.

We live at a time when emotions and feelings count more than truth, and there is a vast ignorance of science

We need a more authoritative world...What's the alternative to democracy? There isn't one. But even the best democracies agree that when a major war approaches, democracy must be put on hold for the time being. I have a feeling that climate change may be an issue as severe as war. It may be necessary to put democracy on hold for a while.

There is no clear distinction anywhere on the Earth's surface between living and nonliving matter. There is merely a hierarchy of intensity going from the 'material' environment of the rocks and the atmosphere to the living cells.

China will soon emit more greenhouse gases than America, but its regime knows if it caps aspirations there will be a revolution.

The inertia of humans is so huge that you can't really do anything meaningful.

I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. The inertia of humans is so huge that you can't really do anything meaningful.