A. The Three Mile Island Reactor 2 in the United States .

             .

             1. The Errors of the Cooling System .

             2. The Human Mistakes.

             B. The Chernobyl Reactor 4 in the former Soviet Union.

             1. Cause of Accident.

             2. Impact of Accident.

             VII. Conclusion.

             VIII. References.

             The Effects of Nuclear Power on Environment.

             Introduction.

             The discovery of the nuclear fission of heavy nuclei occurred prior to the Second World.

             War after some significant investigations of nuclear physics (The History of Nuclear .

             Technology, ICJT Nuclear Training Centre, 2001). In 1939, in Germany, Otto Hahn was the first.

             scientist to prove nuclear fission (2001). "The origin of nuclear power begins with the .

             development of nuclear weapons through the use of uncontrolled fission of fuels to create an .

             explosion" (Vanek, 2008). The fast development of nuclear weapons technology in the United .

             States was required by the political circumstances in the world at the time of World.

             War II (The History of Nuclear Technology, ICJT Nuclear Training Centre 2001). Later, the .

             number of nuclear plants increased quickly in North America, Japan, many countries in Europe, .

             and the former Soviet Union, as same as did the size of unique reactors (2008). Increasing .

             argument, the subject of a greatly manifest, and the first goal of environmental activism was .

             become due to nuclear power by the beginning of the 1970s (Boyer, 2001). Critics asserted that .

             the technology was unsafe and unimportant; advocates debated that it was both safe and .

             necessary for nation"s energy future (2001).

             This paper will research the effects of Nuclear Power on Environment.

             History of Nuclear Energy.

             The nuclear energy is the energy that is liberated by an atom as the result of nuclear .

             fission, nuclear fusion, or radioactive decay (Nuclear Energy, The Free Dictionary, 2005). To .

             separate isotopes of some elements and liberate their energy as heat.