Our weird problem is an abundance of resources and a shortage of hard economic reasons not to use them.

From some tiny portion of the wealth the west accumulated in a hundred years of filling the atmosphere with carbon.

The earth is a museum of divine intent.

That's why people are standing up again to fight the Keystone pipeline in Nebraska and South Dakota and Montana. Everyone is well aware of what this industry is about. It engages not only in those kind of practices, polluting people's water, but it has polluted our political life now for a quarter century.

We have built a greenhouse, a human greenhouse, where once there bloomed a sweet and wild garden.

I am still a consumer; the consumer world was the world I emerged into, whose air I breathed for a very long time, and its assumptions still dominate my psyche—but maybe a little less each year....There are times when I can feel the spell breaking in my mind….There are times when I can almost feel myself simply being.

There's no huge mystery. If you dig up huge amounts of carbon, huge amounts of ancient biology, hundreds of millions of year's worth of ancient biology, and flush it into the atmosphere in a matter of decades, then it stands to reason that we're going to have enormous effects, and now we can see those effects all around us.