Japan's nuclear crisis deepened dramatically Tuesday. As safety officials sought desperately to avert catastrophe, the government said radioactive material leaking from reactors was enough to "impact human health" and the risk of more leaks was "very high."

• March 15, 2011

Switzerland freezes plans to build new nuclear plants, Germany raises questions about its nuclear future, and opposition to atomic reactor construction mounts from Turkey to South Africa.

• March 15, 2011

The nuclear power emergency that began unfolding at a Japanese atomic power plant during the weekend could lead to a major reassessment in European countries that are already building such plants or are considering a shift from fossil fuels to nuclear energy to combat climate change.

• March 14, 2011

After it was hit by a catastrophic tsunami in 2004, the Indian government has put in place an effective system to issue tsunami alerts.

• March 14, 2011

The radiation leak at a Japanese nuclear power plant following Friday's earthquake and tsunami threatens to hurt an industry that has enjoyed a rebirth since the Three Mile Island accident in 1979 and the Chernobyl disaster in 1986.

• March 12, 2011

With the price of oil climbing to more than $100 a barrel, Russia has a little more weight to throw around on the world stage, and it is doing just that.

• March 11, 2011

Russia's oil giant Lukoil intends to develop wind and solar power plants in Bulgaria and Romania, Vasily Zubakin, deputy head of the company's main energy division, said as quoted by news agency Ria Novosti.

• March 9, 2011

Vladimir Putin headed the Russian delegation and European Commission President Jose Manuel Barroso headed the EU delegation. The agenda of the visit of the Russian delegation included three issues: Russia’s accession to the WTO; the EU-Russia energy trade; and the free visa regime for Russians traveling to the EU.

• March 7, 2011