Japanese authorities began testing for radiation in seawater near the damaged Fukushima Daiichi nuclear plant on Tuesday, but officials stressed that the elevated levels are no cause for worry

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"...Jun Misono of Tokyo’s Marine Ecology Research Institute said that while radioactive iodine breaks down relatively quickly, cesium is more persistent and can accumulate in marine animals, such as fish. “We need to carefully monitor the amount of radiation that continues to be emitted and evaluate the impacts,” he told national broadcaster NHK."

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Levels of radioactive iodine are found to be about double the safe levels for children under age of 1. Black smoke billows from a reactor at the stricken Japanese nuclear plant.

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http://www.latimes.com/news/nationworld/world/la-fg-japan-tokyo-water-20110324,0,7951826.story

World health officials warn of the dangerous cumulative effects from eating food contaminated by radiation leaking from Japan's crippled nuclear plant. One Japanese restaurant in Taiwan is serving up radiation gauges alongside its meals.

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http://www.latimes.com/news/nationworld/nation/la-fgw-japan-quake-food-20110322,0,100029.story

Japan has raised the severity rating of its nuclear disaster, as firefighters continue efforts to cool highly radioactive fuel rods at a nuclear reactor complex crippled by last week's earthquake and tsunami.

Japan on Friday increased the severity of the crisis at the Fukushima site from 4 to 5 on a 7-point international nuclear event scale. 

Firefighters are dousing water on damaged reactor buildings with powerful hoses.  But they have to limit their time inside the complex due to the high radiation levels. 

Japanese engineers also are extending an emergency power cable to the nuclear reactor complex.  A steady supply of power could enable workers at the Fukushima plant to get water pumps working again. 

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Winds passing over Japan's stricken nuclear power plant are reaching California and moving inland, but health experts say the plumes pose no danger to the public.

There is mounting alarm in the public's mind as news continues of explosions and loss of reactor cooling water at the Fukushima Dai-ichi plant, and its intensely radioactive fuel rods.

But winds from Japan have been blowing eastward across the Pacific at altitudes four to five miles high, and are "continually mixing with the upper atmosphere," said Kenneth Bowman, a noted atmospheric physicist at Texas A&M University and an expert on computer-based modeling of wind behavior.

Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/03/18/MNGU1IDTMQ.DTL

An eco-city in Portugal that its makers are aiming to build by 2015 takes its cues from the nervous system IF TODAY'S cities were living things, they would be monsters, guilty of guzzling 75 per cent of the world's natural resources consumed each year. Now a more benign urban creature is set to emerge. The planned city of PlanIT Valley, on the outskirts of Paredes in northern Portugal (see map), is aiming to be an environmentally sustainable city. And, just like an organism, it will have a brain: a central computer that regulates everything from its water use to energy consumption. The central computer of the city will act like a brain, regulating water use and energy consumption Various eco-cities are in the pipeline, but this could be the first to be fully built - by 2015 - and could open its doors as early as next year. While Masdar City in Abu Dhabi welcomed its first inhabitants this month, it will not be completed until at least 2020. And the development of Dongtan near Shanghai in China has not even got off the ground yet, following financial and political difficulties. Like other sustainable cities, PlanIT Valley will treat its own water and tap renewable energy. Buildings will also have plant-covered roofs, which will reduce local temperature through evapotranspiration, as well as absorbing rainwater and pollutants.

Reporting from Washington — The Obama administration on Tuesday lifted its moratorium on oil and gas drilling in the deep waters of the Gulf of Mexico, potentially blunting a serious political issue in the weeks before the midterm congressional election and signaling its confidence in newly tightened regulation. "There has been significant progress over the last few months in enhancing the safety of future drilling operations, and in addressing some of the weaknesses in spill containment and oil spill response," Michael Bromwich, director of the Bureau of Ocean Energy Management, Regulation and Enforcement, said in announcing the moratorium's end. "More needs to be done," he said, "but we believe the risks of deepwater drilling have been reduced sufficiently to allow drilling under existing and new regulations." But the moratorium's end satisfied few players involved in offshore oil drilling issues. Some environmentalists criticized ending the drilling suspension while investigations and cleanup continued into the April 20 explosion of the Deepwater Horizon drilling rig, which killed 11 people and unleashed the biggest offshore oil spill in U.S. history. Get breaking news alerts delivered to your mobile phone. Text BREAKING to 52669.