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Further measurements showed an increase of radioactive iodine in the sea off the plant to 3355 times the legal limit, the state of the nuclear safety agency said, but he downplayed the impact, say that people had left the area and fishing had ceased.Marine pollution is a problem for a country where fish is at the center of power.According to experts, the vastness of the ocean and a mighty ocean current should be diluted with a high level of radiation, limiting the risk of contamination of fish and other marine animals. However, as the radiation flows into the ocean is clear and control of leakage from the plant could take weeks or months, so that accurate risk assessment very difficult.Prime Minister Naoto Kan, whose government faces criticism for increasing its disaster management, won the assurance of U.S. support in a telephone interview Wednesday with U.S. President Barack Obama.The United States has already agreed to send some of the radiation detection robot in Japan to explore the reactor core and spent fuel pools at nuclear plants affected.French President Nicolas Sarkozy, attending block G20 and G8 nations chairs, plans in Tokyo on Thursday. He became the first foreign leader to Japan since the disaster.In support, flew to France criticized two experts from the manufacturer of nuclear reactors federal Areva and CEA research nuclear Japan strongly operator Tokyo Electric Power Co (TEPCO) support.A world leader in the industry, France produces about 75 percent of energy from the reactors, it is a great interest in Japan's Fukushima obtain disaster.FIND PLUTONIUMto cool hundreds of engineers for nearly three weeks on the reactor plant and prevent a catastrophic collapse of fuel rods has been slow, although the situation appears to have backed down on this nightmare scenario.Jesper Koll, head of equity research at JPMorgan Securities in Tokyo, said a long battle for the system to take control and manage the uncertainty of the radioactivity released and act as a brake on the economy continue."The worst case scenario, which does not carry a month or two months or six months but two years or indefinitely," he said. "Japan will be bypassed. That's the nightmare scenario."public concern has increased a notch with the announcement Tuesday that traces of plutonium in soil was found in five locations within the system.A byproduct of nuclear reactions and a key ingredient in atomic bombs, plutonium is highly carcinogenic substances and one of the most dangerous in the world, experts say.However, Japan has said that two traces of plutonium was probably came from the factory, probably fuel rods from overheating or damage to reactor No. 3, with the other particles in the atmosphere of the past nuclear tests abroad.

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Plutonium: Nuclear vs. Geological Solutions

by StanfordUniversity | video info

16 ratings | 2,028 views

(January 24, 2011) Rod Ewing gives a presentation as part of the Stanford Geological Sciences Distinguished Speaker Series. He talks about the future of nuclear energy and more importantly, nuclear waste and its disposal -- emphasizing that it is an issue that needs to be addressed sooner rather than later. Stanford University: http://www.stanford.edu/ Stanford School of Earth Sciences: http://pangea.stanford.edu/ Stanford University Channel on YouTube: http://www.youtube.com/stanford

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