Documentary Series "Leaps" Into Sustainability

Aired: 4/20/2012 | 0:06:30 | Clip
This Earth Day, geoscientist Richard Alley will go to great lengths to show that the Earth's climate is shifting- by bungee jumping. In the PBS mini-series "Earth: The Operators' Manual" host Alley visits communities around the world that are finding new ways to harness their renewable energy resources and reduce their carbon footprint.

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