When you have solar panels, your electricity gets there for free, no one's figured out how to meter the sun yet. And that's good.

I imagine a certain amount of consumer impulse will be replaced by community connection. You can already see it starting with things like the local food movement.

To me the analogy [to climate change] is... doctors worry a lot about cholesterol. And if you go to the doctor, and the doctor says "oh, your life would be happier if you ate a different diet and exercised" people pay no attention.

What makes us different? We're the creature that can decide not to do something that we are capable of doing.

Pat Robertson had decided that global warming was real and we need to do something about it struck me as powerful evidence that the Holy Spirit is hard at work in this question.

There's always the danger that people will simply sign online petitions, the way they used to just mail in checks, and there's the greater possibility we'll just spend our whole lives staring at screens and never get anything done.

One of my favorite places is the Maldives, an all-Muslim nation in the Indian Ocean with a culture that stretches back 5,000 years. But since the highest point in the archipelago is a meter or two above sea level, even the next hundred are not guaranteed. They've committed to becoming the first carbon-neutral nation on Earth by 2020, building windmills as fast as they can.