We don't survive without plants and animals because we rely on them, we rely on plants to put oxygen into the atmosphere, we rely on ... fish and crops and cows to eat.

It's extremely hard to know what the economic consequences of any decision will be. And I'm not a, a, a financial analyst, so I, I generally don't try to make some kind of prediction about that.

When we damage the environment, we damage everything we depend on.

Scientists are scientists. They're not really in a position to speak clearly on the moral dimensions, and they're not really comfortable doing that.

Yet again, unscientific claims were being circulated broadly, but the scientists' refutation of them was published where only fellow scientists would see it.

I think it is important for people to understand that there are real serious economic costs and real serious economic damages associated with inaction on climate change.

It really is a very radical call ... to reject materialism as our central value and to think about the sanctity of life and what that really means if we take it seriously.