Climate change is a huge problem, an almost insoluble problem, for two reasons. One is the habits of the West in terms of consumption. The other is the incredible iniquity between poor countries and rich countries on this planet.

I think [George W.] Bush has done nothing right about global warming.

When we think about global warming at all, the arguments tend to be ideological, theological and economic.

The idea that China and India will just abandon climate action is not true, because they're doing it for more reasons than we are.

In certain ways, I think the work in the Evangelical community has been the most interesting and the most promising. Partly because Evangelical congregations may be harder to convince about issues but, on the other hand, are more likely to do something about it.

I'm far less a leader than a writer.

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