Nuclear power debate 342 for coal, 85 for natural gas, and 8 for nuclear. Nuclear power plant accidents rank first in terms of their economic cost, accounting for 41 percent of all property damage attributed to energy accidents. The Chernobyl steam explosion was a nuclear accident that occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in Ukraine. A steam explosion and graphite fire released large quantities of radioactive contamination into the atmosphere, which spread over much of Western USSR and Europe. It is considered the worst nuclear power plant accident in history, and is one of only two classified as
Anti-nuclear power movement in Japan dangers posed by the Fukushima No. 1 Nuclear Power Station and other old atomic plants", and also "cautioned the government and utilities about their policy of not assessing the safety risks for nuclear power stations beyond their assumed scenarios". No Nukes Plaza Tokyo was established in 1989, after the 1986 Chernobyl disaster, and is one of the oldest groups opposing nuclear power in Japan. In May 2006, an international awareness campaign about the dangers of the Rokkasho reprocessing plant, Stop Rokkasho, was launched by musician Ryuichi Sakamoto. Greenpeace has also opposed the Rokkasho Reprocessing Plant under a campaign called "Wings