Christopher Joyce Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.

Humanlike 'Hobbit' Fossils Puzzle Scientists

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Investors Demand Info on Carbon Footprints

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Lake Bottom Dig Proves Tricky for Archeologists

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With Climate Swing, a Culture Bloomed in Americas

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Banks Set Guidelines on Financing 'Dirty' Plants

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Study Boosts Switchgrass as New Alternative Fuel

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Carbon Offsets: Government Warns of Fraud Risk

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Global Warming Jeopardizes Norway's Fish Farms

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Norway Buries Its CO2 Under the Sea

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Weighing the Impact of Iran's Uranium Program

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Climate Experts Mull Payment to Stop Deforestation

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Nations to Reunite for Kyoto Progress Report

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