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
Chernobyl Nuclear Power Plant sarcophagus Chernobyl Nuclear Power Plant sarcophagus The Chernobyl Nuclear Power Plant sarcophagus or Shelter Object () is a massive steel and concrete structure covering the nuclear reactor number 4 building of the Chernobyl Nuclear Power Plant. It was designed to limit radioactive contamination of the environment following the 1986 Chernobyl disaster, by encasing the most dangerous area and protecting it from climate exposure. It is located within a large restricted area known as the Chernobyl Exclusion Zone. The original Russian name is (), which means or , as opposed to sarcophagus. The sarcophagus locked in of radioactive corium, of highly contaminated