Space / Atomic Energy / Defence: Is it true that the material Helium-3 is abundant on the surface of the moon? How it will help generate power on earth?

Researchers and space enthusiasts claim that there is plenty of material Helium-3 in Moon. It is a perfect fuel source, extremely potent, non-polluting, with virtually no radio active by product. Proponents claim it?s the fuel of the 21st century.