Much of the worlds energy is produced from Uranium. This energy is commonly referred to as "nuclear energy" because uranium reacts in nuclear reactors to form heat. When fossil fuels are used for heat, they are just simply burned instead of reacted, so they create only mediocre amounts of heat for the plant. Nuclear power is responsible fore over 11% of the worlds energy, without the enormous amounts of coal or the pollution that fossil fuels cause. Natural uranium is only 0.7%"uranium-235, which the uranium that undergoes fission in this type of reactor. …