Environment

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This March 23, 2011 picture shows Steven Hamburg, left, a scientist with the U.S. Environmental Defense Fund, and John Shepherd, a University of Southampton climatologist, leaders of a three-day conference of international experts at a Royal Society retreat in Chicheley, England on how the world might oversee research into manipulating the Earth's atmosphere to combat global warming. Like many environmentalists who oppose tampering with the atmosphere, these scientists and other conferees said they would prefer that governments instead agree on reducing greenhouse-gas emissions. (AP Photo/Charles J. Hanley)

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Oceanographer Curt Ebbesmeyer displays a necklace made of ocean flotsam on Wednesday in Seattle. He expects the first items of flotsam from Japan's tsunamis and earthquake to hit West Coast beaches in a year. (Associated Press)

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Leaking radioactive water drains through the crack of a maintenance pit (right) into the ocean near the Unit 2 reactor of the Fukushima Dai-ichi nuclear power plant in Okumamachi, Japan. Highly radioactive water was leaking into the ocean Saturday from a crack discovered at the nuclear power plant. (Associated Press via Kyodo News)

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A man walks Sunday over debris in an area devastated by the March 11 tsunami to search for his house and belongings in Otsuchi, Iwate Prefecture in northern Japan. (Associated Press)

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Highly radioactive water leaks through a crack in a maintenance pit (right) into the sea near the Unit 2 reactor of the Fukushima Dai-ichi nuclear power plant in Okumamachi, Fukushima Prefecture, Japan, in a photo released by the Tokyo Electric Power Co., the operator of the facility, on Saturday, April 2, 2011. (AP Photo/Tokyo Electric Power Co. via Kyodo News)

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FILE- Greek Cypriot and Turkish Cypriot environmental activists protest against Turkey's plans to build a nuclear power plant on its southern coast near a seismic fault line, during a demonstration in the divided island's capital Nicosia, in this file photo dated Saturday, March 19, 2011. Turkey is pushing ahead on building a nuclear power plant close to an earthquake-prone Ecemis Fault area on the Mediterranean coast, dismissing fears from neighboring Greek Prime Minister George Papandreou who claims that Japan's nuclear disaster is a warning of the risks to the whole region.(AP Photo/Philippos Christou)

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In this Friday, April 1, 2011, photo released by Tokyo Electric Power Co., workers for the company experimentally spray adhesive synthetic resin over the ground at the Fukushima Dai-ichi nuclear power plant in Okumamachi, northeastern Japan. TEPCO expects the resin spraying to prevent dust exposed to radiation materials from spreading out of the premises. (AP Photo/Tokyo Electric Power Co.)

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Illustration: Shuttered Congress

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Japanese music band AKB48 performs during the concert "Artistes 311 Love Beyond Borders" in Hong Kong on April 1, 2011. Hong Kong entertainment industry staged the charity concert to raise funds for victims of Japan's massive earthquake and tsunami. From left are, Ayaka Umeda, Ami Maeda and Sakiko Matsui. (Associated Press)

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Japan-based Hong Kong singer Agnes Chan performs during the charity concert "Artistes 311 Love Beyond Borders" in Hong Kong Friday, April 1, 2011. Hong Kong entertainment industry staged the concert to raise funds for victims of Japan's massive earthquake and tsunami. (AP Photo/Kin Cheung)

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Idaho Republican Rep. Michael K. Simpson and other critics say the Obama administration is violating a federal law that designates Yucca Mountain in Nevada as the leading candidate for nuclear-waste disposal. (Associated Press)

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"I could see the future. Maybe I could go there and help out. I had a vision. Now we're in the Final Four. My vision panned out," said Jamie Skeen, a fifth-year senior who transferred to Virginia Commonwealth University from Wake Forest. (Associated Press)