the night of April 26, 1986 was involved in the biggest nuclear disaster in history, during a test, in which is simulating a power outage, a power surge in reactor 4 of the Chernobyl Nuclear Power Plant was the overheating of the core nuclear reactor, which ultimately led to accumulated hydrogen explosion inside, generating a cloud of radiation that spread across Europe.
The amount of radioactive material released was nearly 200 tonnes, some 500 times greater than that released by the atomic bomb dropped on Hiroshima, directly caused the deaths of 31 people, forced the government of the Soviet Union to the evacuation of about 135,000 people and caused international alarm by detecting radioactivity in various countries of northern and central Europe.
After the disaster, an area of \u200b\u200b4 square miles of pine trees in the vicinity of the reactor acquired a golden brown and died, acquiring the name "Red Forest". Some animals in the hardest hit areas also died or stopped reproducing. Mouse embryos simply dissolved, while a herd of horses stranded in an island 6 km from the nuclear power was extinguished when their thyroid glands disintegrated.
In September 2005 the UN issued a report verifying the death of 4,000 people between Ukraine, Belarus and Russia caused by the disaster. Other reports are between 30,000 and 70,000 people died. Greenpeace says the real number of victims throughout Europe amounts to 200,000.
radiation reached as far afield the core of the explosion, like Austria, Switzerland and France, and even today, doctors are diagnosing a number much higher than usual, people with cancer diseases and, especially thyroid cancer.
Over time, the sarcophagus built around the reactor 4 just after the accident has been degraded by the effect of radiation, heat and corrosion caused by the materials, to the extent there is a serious risk collapse of the structure, which could have dramatic consequences for the population and the environment.
The cost of building a permanent protection to reduce the risk pollution in compliance with all safety standards containment was estimated in 1998 at 768 million euros. Ukraine, unable to obtain such financing in the short time available, requested international assistance. Several international conferences have since met the necessary funds, even though the budget has increased significantly because of inflation.
In 2004, donors had deposited more than 700 million for construction (in total at that time had donated about 1000 million euros for projects recuperación36), and since 2005 they carried out work to replace the sarcophagus, which was scheduled completion early 2008.
source: taringa.net
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