Group items tagged

The explosion at the Fukushima nuclear power plant is being described as caused by a "hydrogen build-up" The situation harks back to the "hydrogen bubble" that was feared would explode when the Three Mile Island plant in 1979 underwent a partial meltdown. The hydrogen explosion problem at nuclear power plants involves a story as crazy as can be. As nuts as using nuclear fission to boil water to generate electricity is, the hydrogen problem and its cause cap the lunacy. Eruption of hydrogen gas as a first reaction in a loss-of-coolant accident has been discussed with great worry in U.S. government and nuclear industry literature for decades.

The unfolding disaster at the Fukushima nuclear plant follows decades of falsified safety reports, fatal accidents and underestimated earthquake risk in Japan's atomic power industry. The destruction caused by last week's 9.0 earthquake and tsunami comes less than four years after a 6.8 quake shut the world's biggest atomic plant, also run by Tokyo Electric Power Co. In 2002 and 2007, revelations the utility had faked repair records forced the resignation of the company's chairman and president, and a three-week shutdown of all 17 of its reactors. With almost no oil or gas reserves of its own, nuclear power has been a national priority for Japan since the end of World War II, a conflict the country fought partly to secure oil supplies. Japan has 54 operating nuclear reactors -- more than any other country except the U.S. and France -- to power its industries, pitting economic demands against safety concerns in the world's most earthquake-prone country.

Alarmist predictions that the long-term health effects of the Fukushima nuclear accident in Japan will be worse than those following Chernobyl in 1986 are likely to aggravate harmful psychological effects of the incident. That was the warning heard at an international conference on radiation research in Warsaw, Poland, this week. One report, in UK newspaper The Independent, quoted a scientist who predicted more than a million would die, and that the prolonged release of radioactivity from Fukushima would make health effects worse than those from the sudden release experienced at the Chernobyl nuclear reactor in Ukraine. "We've got to stop these sorts of reports coming out, because they are really upsetting the Japanese population," says Gerry Thomas at Imperial College London, who is attending the meeting. "The media has a hell of a lot of responsibility here, because the worst post-Chernobyl effects were the psychological consequences and this shouldn't happen again."

Fukushima protest photographs 

After Fukushima, what? Japan's disastrous earthquake and tsunami that crippled its coastal nuclear reactors have reopened old questions for California: How big could the next inevitable earthquake be, and how safe are the state's nuclear power plants that now produce more than 15 percent of our electricity? Federal and state experts are reviewing every aspect of what went wrong at Fukushima's reactors, where fuel rods overheated, cooling efforts proved inadequate, radiation escaped and evacuation signals were, at best, mixed.

German activists show how to shut down a nuke plant video, followed by news report over social democrats opposition in meetings.