Delegates To Durban Agree To Climate Treaty
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Delegates worked into the early hours of Sunday morning on the final day of the climate talks in Durban, South Africa. Rajesh Jantilal/AFP/Getty Images hide caption

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At Last, Nations Agree To Landmark Climate Deal
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U.S. envoy Todd Stern delivers a speech on Thursday in Durban, South Africa, during the U.N. Climate Change Conference. Stephane De Sakutin/AFP/Getty Images hide caption

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At Climate Talks, Frustration And Interruptions
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At Climate Talks, Resistance From India, China, U.S.
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Climate-Treaty Talks Target U.S., China Emissions
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Key provisions of the Kyoto Protocol expire in December of 2012, and experts say there's no real global framework in place to replace the treaty that was supposed to be the first step toward ambitious actions on climate change. Above, a coal-fired power plant in eastern China. China is now the leading carbon dioxide emitter in the world. AFP/Getty Images hide caption

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What Will Become Of The Kyoto Climate Treaty?
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The U.S. is second only to China in emitting gases that cause global warming. Above, the smoke stacks at American Electric Power's Mountaineer power plant in West Virginia. Saul Loeb/AFP/Getty Images hide caption

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Ahead Of Climate Talks, U.S. Leadership In Question
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A U.N. climate panel says that we can expect more extreme weather conditions as a result of climate change. Above, people run from a high wave on Nov. 8 in Nice, France, where heavy rain and flooding forced hundreds to evacuate. Vallery Hache/AFP/Getty Images hide caption

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Power plants that burn fossil fuels release carbon dioxide as well as a complex soup of chemicals, including nitrogen and sulfur. These chemicals in the air actually help keep global warming in check by reflecting sunlight back into space. Above, the Bruce Mansfield Power Plant in Shippingport, Pa. Robert Nickelsberg/Getty Images hide caption

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Air Pollution: Bad For Health, But Good For Planet?
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Keystone Pipeline Decision Delayed Until 2012
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A section of the fusion machine being tested at General Fusion's facility outside of Vancouver, British Columbia. General Fusion is hoping to implement a long-shot strategy that could produce fusion energy in the next few years. Brett Beadle for NPR hide caption

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'Power For The Planet': Company Bets Big On Fusion
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Romney Seemingly Shifts On Climate Change
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To feed China's insatiable demand for coal, U.S. companies are trying to sell and ship the lucrative commodity to the Asian market from new West Coast ports. Above, the cooling towers of a coal-fired power plant are seen on the outskirts of Beijing.

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The Global Coal Trade's Complex Calculation
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Bellingham, Wash., a progressive college town of 81,000, could soon be home to a new coal terminal. Developers want to ship the lucrative commodity to China, but some locals are worried about the potential environmental impacts.

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In Northwest Town, A Local Fight Against Global Coal
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A giant dioon, seen at the United States Botanic Garden, is part of the cycad family and can be found growing in Mexico and Central America.

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'Living Fossils' Just A Branch On Cycad Family Tree
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