Safety of Nuclear Power Plants

Are this devices really safe? Do we need them? Can be this type of power source replaced with ecological and renewable energy? Based on the statistics, nuclear power plants are delivering about 6% of world energy and about 15% of world electricity. When was the day when the treat of nuclear plants began? It was exactly at 3:25pm on December 2 in 1942 when Enrico Fermi completed his first controlled chain reaction. As it used to be, results of this experiment had been used for the construction of the atomic bomb as part of the Manhattan Project at the Los Alamos National Laboratory in New Mexico. Lately used in Japan. Even the process of maximizing safety of nuclear plants and controlling of a nuclear weapons in last century was a main goal of world politics, the question remain open, can we this 6% replace with renewable energy? Probably it is not the problem that we have too low energy but that we used to much energy…