Environment

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Greg Bosscawen, manager of renewable energy for Pacific Gas and Electric Co., walks past solar panels at PG&E's Vaca-Dixon solar energy site near Vacaville, Calif., on Tuesday. Gov. Jerry Brown signed legislation Tuesday that would require California utilities to get one-third of their power from renewable sources. (Associated Press)

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Survivors of Japan's March 11 earthquake and tsunami pray Tuesday at the site where their home once stood in Natori, Japan. The natural disasters badly damaged a nuclear power plant, which caused the nation Tuesday to raise its crisis level to 7, the highest rating. (Associated Press)

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Baseball fans observe a moment of silence for the victims of the March 11 earthquake and tsunami before the start of a game between the Rakuten Golden Eagles, a Japanese professional team based in Sendai, northeastern Japan, and the Lotte Marines in Chiba, near Tokyo, on Tuesday, April 12, 2011. The 2011 pro baseball regular season kicked off on Tuesday in Japan. (AP Photo/Itsuo Inouye)

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Players of the Rakuten Golden Eagles, a Japanese professional team based in Sendai, northeastern Japan, observe a moment of silence for victims of the March 11 earthquake and tsunami before their baseball game against the Lotte Marines in Chiba, near Tokyo, on Tuesday, April 12, 2011. The 2011 pro baseball regular season kicked off on Tuesday in Japan. (AP Photo/Itsuo Inouye)

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In this March 11, 2011, photo released on Monday, April 11, 2011, by Tokyo Electric Power Co. (Tepco), the access road at the Fukushima Dai-ichi nuclear power plant is flooded as a tsunami hits the facility following a massive earthquake in Okuma town, Fukushima Prefecture, northeastern Japan. (AP Photo/Tokyo Electric Power Co.)

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Residents of Mapleton, Iowa, on Monday clean up debris left by a weekend tornado that roared through the town of 1,200 with 130 mph winds. At least 14 people suffered minor injuries, but no one was killed. (Associated Press)

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Evacuees observe a moment of silence Monday at 2:46 p.m., exactly one month after the March 11 earthquake and tsunami that devastated Japan. (Bloomberg)

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Fittonia plants are seen as they grow in in a special darkened room illuminated by blue and red LED's in Den Bosch, central Netherlands, Monday March 28, 2011. Farming is moving indoors, where the sun never shines, where rainfall is irrelevant and where the climate is always right The perfect crop field could be inside a windowless building with meticulously controlled light, temperature, humidity, air quality and nutrition. It could be in a New York high-rise, a Siberian bunker, or a sprawling complex in the Saudi desert. (AP Photo/Peter Dejong)

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Buddhist monks pray at a tsunami-destroyed area in Natori, Miyagi Prefecture, northern Japan, on Monday, April 11, 2011, one month to the day after an earthquake and tsunami devastated the city. (AP Photo/Vincent Yu)

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A Japanese Buddhist monk prays at an area devastated by the March 11 earthquake and tsunami in Rikuzentakata, Iwate Prefecture, Japan, on Sunday, April 10, 2011. (AP Photo/Sergey Ponomarev)

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Japanese people line up to buy food at a supermarket with no electricity in Ishinomaki, Miyagi Prefecture, northern Japan, on Friday, April 8, 2011. A big aftershock rocked quake-weary Japan late Thursday, rattling nerves as it knocked out power to the northern part of the country and prompted tsunami warnings that were later canceled. (AP Photo/Vincent Yu)

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This image provided by the Intrepid Sea, Air & Space Museum on Thursday, April 7, 2011 shows a proposal for a space shuttle exhibit in New York. Enterprise will go to New York City's Intrepid Sea, Air and Space Museum for display in a glass enclosure on a Manhattan pier on the Hudson River, next to the aircraft carrier that houses the museum. (AP Photo/Intrepid Sea, Air & Space Museum)

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**FILE** In this April 16, 2010, file photo, Gary Niemeyer finishes planting 1,550 acres of corn on his farm in Auburn, Ill. (Associated Press)

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General Electric will build a plant to make solar panels. "We think we can push costs lower, and faster," said Vic Abate, a GE vice president. (Associated Press)

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A man who goes by the Internet alias "Forest Intelligence" looks at the "Jasmine Movement" website at a cafe in Seoul. He oversees the recruitment of volunteers and maintains the website. (Associated Press)

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MKZ's interior has been laid out with an array of standard features, including real wood trim taken from sustainable forests, supple leather upholstery, heated and cooled front seats, and the award-winning SYNC voice-activated in-vehicle communications and entertainment system.