The energy produced as a result of atomic energy where nuclear reaction of fission or fusion takes place is called as nuclear energy. Today the world uses about 16% of nuclear energy. To harness energy, radioactivity of the atoms is subjected to produce nuclear power. For example, to drive a steam turbine, a nuclear chain reaction takes place, where large amounts of heat and boiling water is produced, that drives the former. It is megawatts of power that is generated in this process, but the initial cost of setting up a nuclear plant to harness this energy is very high. Researchers believe that the solution for world's biggest problem of global warming is nuclear energy.
France is the country that utilizes maximum amount of nuclear energy, at an estimate of 77%. Lithuania follows second place with 65% and the US with 20%. Though ultimately it is heat that is generated from both a nuclear plant and any other power plant, it is to be noted that the method of heat generation varies between the two. Since there is always an energy demand whose needs keep on rising day by day, it is not possible to provide them with finite amounts of fuel to satisfy their needs. This is a better source that is made available even against the backdrop of any climatic change unlike other thermal plants.
Nuclear energy does have its advantages. Since, here the splitting of atoms takes place, large amounts of energy are released in this process, that is, almost 10 million times greater than when an atom of fossil fuel is burned. The amount of carbon dioxide that is produced is very less, compared to coal plants or any other power generating industries. The only disadvantage is in building up of the power plant and concern over the disposal of its wastes and decomposing it though it is much less than the other power generators. Its compact fuel is also easy to transport. Since uranium is the prime element that is required, it is available in plenty from open cut mines and is not expensive too.
There are disadvantages too, the prime being nuclear radiation accidents that are fatal or bring irreversible changes in mankind in generations too. These require high initial capital cost and it is not possible for long term storage of nuclear waste.
If you'd like to read more about nuclear pros and cons, check out http://www.biofuelswatch.com/
