Chu is certainly aware of all this. But instead of evading the question, he takes it a step further. "The fact is, we're not going to level out at 450 ppm," he says. "We're going to go over 450 ppm. So what will we do? I'm not in favor of deploying geoengineering. But thinking about it is OK." For a moment, the room goes quiet. In effect, the United States secretary of energy has just told an elite group of scientists and politicians that, no matter what happens with climate legislation this summer in Congress, no matter what China does or does not do, no matter what targets are set at climate negotiations in Copenhagen later this year, our future as a species is likely a grim one.
Quote from Rolling Stone's profile of Secretary of Energy, Stephen Chu
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