| Renewable energy is a green technology, friendly | | | | The terms "wind energy" or "wind power" |
| with no harm to the environment. Any effort or | | | | describe the process by which the wind is used to |
| contribution for spreading the use of this safe | | | | generate mechanical power or electricity. Wind |
| technology will result in getting pure sustainable | | | | turbines convert the kinetic energy in the wind |
| energy & saving our mother earth at the | | | | into mechanical power. This mechanical power can |
| same time. | | | | be used for specific tasks (such as grinding grain |
| Renewable energy resources are naturally | | | | or pumping water) or a generator can convert |
| replenished in a relatively short period of time. | | | | this mechanical power into electricity to power |
| They include biomass, hydropower, geothermal | | | | homes, businesses, schools, and the like. The sun's |
| energy, wind energy, and solar energy. In 2005, | | | | heat drives the winds, whose energy is captured |
| about 6% of all energy consumed, and about 9% | | | | with turbines. These are now also being used by |
| of total electricity production was from renewable | | | | many home and farm owners who simply build or |
| energy sources. Alternative transportation fuels | | | | buy their own very small windmills and turbines |
| are fuels used for transportation other than | | | | which provide a constant supply of energy in their |
| gasoline or diesel. Some alternative transportation | | | | home or buildings as well. |
| fuels, such as ethanol and biodiesel, are renewable | | | | Biomass |
| while others, such as propane and natural gas, are | | | | Along with the rain and snow, sunlight causes |
| non-renewable. | | | | plants to grow. The organic matter that makes |
| The United States currently relies heavily on coal, | | | | up those plants is known as biomass. Biomass can |
| oil, and natural gas for its energy. Fossil fuels are | | | | be used to produce electricity, transportation |
| nonrenewable, that is, they draw on finite | | | | fuels, or chemicals. The use of biomass for any of |
| resources that will eventually dwindle, becoming | | | | these purposes is called biomass energy. |
| too expensive or too environmentally damaging to | | | | Hydrogen |
| retrieve. In contrast, renewable energy | | | | Hydrogen also can be found in many organic |
| resources—such as wind and solar | | | | compounds, as well as water. It's the most |
| energy—are constantly replenished and will | | | | abundant element on the Earth. But it doesn't |
| never run out. | | | | occur naturally as a gas. It's always combined with |
| Solar | | | | other elements, such as with oxygen to make |
| Most renewable energy comes either directly or | | | | water. Once separated from another element, |
| indirectly from the sun. Sunlight, Solar energy | | | | hydrogen can be burned as a fuel or converted |
| technologies convert the sun’s light into usable | | | | into electricity. |
| electricity or heat. Solar energy systems can be | | | | Geothermal |
| divided into two major categories: photovoltaic | | | | Not all renewable energy resources come from |
| and thermal. Photovoltaic cells produce electricity | | | | the sun. Geothermal energy taps the Earth's |
| directly, while solar thermal systems produce heat | | | | internal heat for a variety of uses, including |
| for buildings, industrial processes or domestic hot | | | | electric power production, and the heating and |
| water. Thermal systems can also generate | | | | cooling of buildings. And the energy of the ocean's |
| electricity by operating heat engines or by | | | | tides comes from the gravitational pull of the |
| producing steam to spin electric turbines. Solar | | | | moon and the sun upon the Earth. |
| energy systems have no fuel costs, so most of | | | | Ocean |
| their cost comes from the original investment in | | | | The ocean can produce thermal energy from the |
| the equipment. These are now also being used by | | | | sun's heat and mechanical energy from the tides |
| many home and farm owners who simply build or | | | | and waves. |
| buy their own very small solar panels and wind | | | | Hydropower |
| turbines which provide a constant supply of | | | | Flowing water creates energy that can be |
| energy in their home or buildings. To try to make | | | | captured and turned into electricity. This is called |
| solar panels and use renewable energy yourself | | | | hydroelectric power or hydropower. For more |
| with lowest cost we recommend homemade | | | | information on renewable energy use and benefits |
| energy. | | | | please read the other articles by the same author |
| Wind | | | | on Articlesbase, Ezinearticles or Goarticles etc.. |