The History Channel : Renewable Energy , Planet Green : Bill Nye the Science Guy Teaches Kids About Going Green : Educational 2 Pack
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List Price: $19.99
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In the young 21st Century, two realizations are dawning on the world's population: we are hopelessly dependent on petroleum, which is only going to get more expensive; and global warming, caused mainly by our burning of fossil fuels, will impact civilization in ways that
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