"TS: Where do you fall on climate change?
DG: My own belief is that global warming is real, that it is happening. . . . After all, the Earth's climate has oscillated clearly in the past. We expect not stability, but oscillation. The evidence I've seen has not convinced me that the cause of this global warming or an appreciable contribution [to it] is human activity. But not until I spend a lot more time with the topic . . . would I be in a position to give anybody advice on it. ... The fact is, the Earth is a very, very large object, and scientists especially think of themselves as gigantically important, and pushing culture around, and changing civilization--which they do, occasionally, to some extent. But I think some of them haven't fully grasped what a gigantic proposition it is for measly human activity, whether it's good or bad, to change something like the climate of a planet in the Solar System."
"TS: Did climate change come up at all during that first conversation?
WH: Very briefly. I said, 'I'm sure you know my position that I think climate change has been tremendously exaggerated--its significance. Climate is important, always has been, but I think it's become sort of a cult movement in the last five or 10 years.' So in just a sentence of two, I said, 'That's my view of it.' And he said, Well, I agree with you. But that's all we discussed."