FollowThe quest for clean sources of energy have so far focused on wind and solar. These two forms of renewable energy have received research spending and time. All round the world, wind turbines and photo voltaic power plants are being built. However, there are other sources of renewable energy that could soon begin to look practical. Some of these, like wave energy, are more promising than the others. There is need, however, to also watch other technologies to see if any of these could help meet at least a part of the ever growing energy needs of humankind.
