The same mentality that leads to environmental despoliation, environmental destruction, also leads to damage to people.

Scientists should continue doing what they've always done, which is to understand the Earth as well as they can.

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 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.

I think Pope Francis is our Pope Francis. I mean, the point of him is that he's a global leader, and he's trying, I think he's embracing that role.

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.

The same mentality that leads to environmental despoliation, environmental destruction, also leads to damage to people.