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Cows that consume feed, grass or water contaminated with radioactive iodine-131 can concentrate the element in their milk.
Mike Barlow has been installing geothermal systems for 20 years. But he says a 30 percent federal tax credit is increasing the popularity of the systems for families with modest houses.
Tokyo Electric Power Co. Chairman Tsunehisa Katsumata (second from right) and other executives bow prior to a press conference at the company's headquarters in Tokyo on Wednesday.
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Cooling towers from the Limerick Generating Station, a nuclear power plant in Pottstown, Pa., sit near a neighborhood. Environmentalists agree that in light of Japan's nuclear crisis, the U.S. should examine existing nuclear plants for safety risks.
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Japan Self-Defence Force officers in radiation protection suits hold a blue sheet over workers who were exposed this week to high levels of radiation at the Fukushima Dai-ichi plant.
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Japanese Buddhist monk Tanaka Tokuun, who was evacuated from Fukushima prefecture, looks over an instrument measuring radiation levels at a hotel on March 17.
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Keiji Nagashima has been farming spinach in Ibaraki prefecture for 25 years but will be destroying this year's crop because of fears of radiation exposure. "I can't have a life without the spinach," he says.