Alternative energy is the energy obtained from the alternative energy sources like the sun, wind, tides, water, decomposed wasted of plants and animals and from the interior of the earth. Alternative energy is available in many forms and these forms are called the alternative energy store. The energy from the alternative energy store can be put to a number of uses.
In the form of solar energy, the alternative energy can be used for purposes like generating electricity, cooking food, heating water and keeping buildings warm. The alternative energy store in the form of wind energy can be used mainly for the generation of electricity. Biomass provides alternative energy that can be used to make bio fuels and to generate electricity. Geothermal energy as an alternative energy resource is used to keep buildings warm or cool and to generate electricity.
The question as to why alternative energy sources are put to so many uses can be answered by the fact that these sources of energy have several advantages. These sources of energy are green renewable energy sources that do not affect the environment adversely. They do not emit any harmful gases or particles into the atmosphere that may cause global warming or may be hazardous for the health.
Renewable alternative energy sources can be used again and again without the fear of them getting finished as they are replenished continuously. When used in an efficient and an effective manner, the alternative energy resources can meet the increasing energy demands of the world optimally.