'Renewable' Energy

There is a long history of using water power for small-scale applications. On a large scale, hydroelectric plants are used to generate electricity,...

Biomass comes from crops, or waste animal or vegetable matter. Uses include as a vehicle fuel, vehicles, for heating applications and to produce...

Geothermal heat is the thermal energy below the surface of the earth. It can provide heating, and be used to generate electricity. Sometimes it comes...

Solar power comes from the sun. Beams of sunshine are waves of light and heat energy, radiated across 93 million miles of space to reach our earth...

Solar energy, wind and water power, and geothermal energy are all renewable energies. They can be used to produce electricity and for other domestic...

Two hundred years ago, wind power played an important role in the lives of ordinary people. The milling of grain was central to rural life and...