Dear President Obama —
I feel a little awkward writing a letter to you, perhaps because I helped organize the largest demonstrations outside your house during your residence there: It’s odd to write someone when the closest you’ve ever come to them is being chained to the fence outside their home protesting the Keystone pipeline.
But I’ve had a very long time to think about global warming — since the late 1980s, when I published the first book for a general audience on the topic of what we then called the greenhouse effect. And so I thought I might offer a few thoughts. It’s only in the last three or four years that climate’s political dimensions have come into clearest focus for me, beginning in some ways with those Keystone demonstrations. As I’ve learned more about how Washington works, I’ve understood better some of the paths you took and didn’t…
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