| International Energy Agency defines renewable | | | | turn are responsible for heat imbalance of the |
| (re-new-able) energy as the energy derived from | | | | earth resulting climate change. Climate change is |
| natural processes that are replenished constantly. | | | | the burning environmental issues. On the other |
| In its various forms, it derives directly from the | | | | hand, energy produced by renewable sources |
| sun, or from heat generated deep within the | | | | greatly reduces greenhouse gas emissions relative |
| earth. Included in the definition is electricity and | | | | to energy produced from burning fossil fuels. |
| heat generated from solar, wind, ocean, | | | | Global environmental concerns, the depletion of |
| hydropower, biomass, geothermal resources, and | | | | the earth's finite resources and economic |
| biofuels and hydrogen derived from renewable | | | | considerations are all incentives to interest |
| resources such as sunlight, wind, rain, tides and | | | | consumers in renewable. Although renewable |
| geothermal heat. | | | | cannot yet replace all existing energy sources, |
| Sun is the ultimate of all the source of energy. | | | | they can supplement power generated by utilities |
| Renewable energy can be obtained from the | | | | and increase the diversity of our energy supply. |
| same source for a long period of time without | | | | Global climate change due to pollution and the |
| depleting a source. For example solar energy can | | | | effects of pollution on the environment have |
| be obtained continuous from the sun without | | | | become major environmental issues since the Rio |
| depleting the source. This is in contrast to the | | | | Summit in 1992. |
| non-renewable or commercial forms of energy | | | | One of the greatest benefits of renewable |
| such as oil and gas. The more they are extracted, | | | | energy is its potential to provide clean sources of |
| the more will be the reduction in source. | | | | electricity even to remote populations. Although |
| A growing body of scientific evidences has | | | | many people around the world do not have an |
| demonstrated that the heavy reliance on fossil | | | | economical connection to an electrical grid, |
| fuels or commercial form of energy is destabilizing | | | | renewable energy technologies can capture natural |
| the climate. Emission resulting from the | | | | sources of (electrical and heat) energy in |
| combustion of fossil fuels such as coal, oil, and | | | | non-conventional locations and in non-conventional |
| gases are responsible for the emission of | | | | ways. |
| Greenhouse gases. Green house gases (GHGs) in | | | | |