The containment vessel for a new nuclear reactor at the Vogtle nuclear power plant under construction near Augusta, Ga., in December 2012. John Bazemore/AP hide caption
An Indian Coast Guard plane flies over hundreds of anti-nuclear activists during a protest last year. The Kundankulam Nuclear Power, still under construction, can be seen in the distance. AFP/AFP/Getty Images hide caption
This is a DigitalGlobe image of the 5-megawatt (electric) reactor at North Korea's Yongbyon facility, Aug. 31, with steam seen coming from the electrical power generation building. DigitalGlobe/ScapeWare3d/via Getty Images hide caption
This photo taken Aug. 6 shows local government officials and nuclear experts at Fukushima after contaminated water was discovered. AFP/Getty Images hide caption
A Russian Akula-class sub in Brest harbor, western France, in 2004. The INS Arihant is said to be based on this Cold War design. Fred Tanneau/AFP/Getty Images hide caption
As they inspected an underground storage pool near the crippled Fukushima Daiichi nuclear power plant earlier this month, Tokyo Electric Power Co. President Naomi Hirose (4th from left) and other officials wore protective suits and masks. Radioactive water stored in some of the pits has leaked. Tokyo Electric Power Co./Reuters /Landov hide caption