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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Daniel Shechtman (left) discusses the quasicrystal's structure with collaborators in 1985, just months after shaking the foundations of materials science. Shechtman was awarded the 2011 Nobel Prize for chemistry.

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Nobel-Winning Chemist Fought Hard For Acceptance
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Three Scientists Win Nobel Prize In Physics
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3 Astronomers Win Nobel Physics Prize
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A neutrino detector like this one, seen at Los Alamos National Laboratory in 1995, was used to collect data claiming that neutrinos can travel faster than the speed of light. Fred Rick/Time & Life Pictures/Getty Image hide caption

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New Data Put Cosmic Speed Limit To The Test
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Ice on the Arctic Ocean has melted to its second-lowest level on record. Above, ice in a fjord in Greenland. Slim Allagui/AFP/Getty Images hide caption

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Arctic Ice Hits Near-Record Low, Threatening Wildlife
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Carbon Engineering's machine, currently under construction, will draw carbon dioxide out of the air and turn it into a usable product. Carbon Engineering hide caption

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This Machine Can Suck Carbon Out Of The Air
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NASA's Kepler mission has discovered a planet that circles two stars instead of one. The planet, shown as the black dot in this artist's illustration, is similar to Saturn, though it is more dense and travels in a 229-day circular orbit around its two stars. R. Hurt/NASA/JPL-Caltech hide caption

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Here Come The Suns: New Planet Orbits Two Stars
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Nitrogen Study Could 'Rock' A Plant's World
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Obama Withdraws Suggested EPA Changes
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U.S. Park Police officers arrest demonstrators in front of the While House on Thursday. They were protesting against a proposed 1,700-mile-long pipeline that would carry oil from the tar sands in Alberta, Canada, to the U.S. Gulf Coast. Maggie Starbard/NPR hide caption

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For Protesters, Keystone Pipeline Is Line In Tar Sand
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A polar bear makes its way across the ice in Canada's Northwest Passage. Melting ice in the Arctic will make survival increasingly difficult for wildlife in the region. Jackie Northam/NPR hide caption

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Trying To Unravel The Mysteries Of Arctic Warming
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