Nuclear waste is unwanted material that contains radiant energy due to long-term radioactive exposure, or potent radionuclide content. Nuclear waste definition
Advantages of wave energy are; zero emissions, renewable and abundant supply, simplicity of utilization, multiple conversion methods, predictability and flexibility.
Geothermal energy is heat from the interior of the Earth, produced by radioactive decay and transmitted by rocks and fluids. Geothermal energy definition