In the wake of Japan's Fukushima nuclear crisis, the green debate over nuclear power is in the spotlight. Some environmentalists say nuclear energy is safer and more efficient than many other sources. Others say that's not true, and point to Japan as an example of how bad it can be. Who's right?
The Environmentalist Debate Over Nuclear Power
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Michael Shellenberger, president of the Breakthrough Institute
Dave Hamilton, director of Global Warming and Energy Programs for the Sierra Club