Fukushima caesium leaks 'equal 168 Hiroshimas'

Japan's government estimates the amount of radioactive caesium-137 released by the Fukushima nuclear disaster so far is equal to that of 168 Hiroshima bombs, a news report said Thursday.

Japan experts warn of future risk of giant tsunami

(AP) -- Much of Japan's Pacific coast could be inundated by a tsunami more than 34 meters (112 feet) high if a powerful earthquake hits offshore, according to revised estimates by a government panel.

Roof collapses at Chernobyl nuclear plant: Ukraine

A section of the Chernobyl nuclear power plant in Ukraine collapsed under the weight of snow, officials said Wednesday, raising new concerns about the condition of the facility that was the site of the world's worst nuclear ...

CO2 storage law falls through in Germany

Germany's parliament Friday blocked a law allowing the storage of carbon dioxide underground, as Europe's top economy wrangles over energy policy following Japan's nuclear disaster.

Today's plants far safer than Fukushima: US expert

Today's nuclear reactors are "much safer" than the Japanese plant damaged in this year's earthquake and tsunami, a US expert said Thursday, citing dramatic improvements that could prevent similar disasters.

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