One of the main advantages of the use of Nuclear Energy, if managed correctly, is that it is safe for environment. Fossil fuels need to be burned to produce energy, this generates vasts amounts of greenhouse gasses and contaminants. Nuclear energy doesn't release carbon dioxide or methane responsible of global warming. This doesn't mean that it produdes 0 contaminants, it does but in a lower scale. Another advantage is the amount of energy that is obtained from nuclear fission, it can generate over 10 million times the nergy which is produced by the combustion of fossil fuels.
As I said, this are advantages if the nuclear energy is managed in a safe way as it can lead to great danger if not.
