Renewable Energy is energy derived from resources that are regenerative or for all practical purposes can not be depleted. Sources such the sun and the wind, can in no way be exhausted and consequently referred to as renewable. They trigger fewer emissions and are offered locally. Their use can, to a huge extent, decrease chemical, radioactive and thermal pollution. They are a viable source of clean and limitless power. These are the non-conventional sources of energy. Most of the renewable sources of power are fairly non-polluting and considered clean except for biomass, a renewable source, is a main polluter indoors.
Sources of renewable energy or non-conventional energy are the sun, wind, agricultural residue, firewood and animal dung. Power generated from the sun is recognized as solar power. Power derived from water is referred to as hydroelectricity. Biomass is firewood, animal dung, biodegradable waste from cities and crop residue.
It becomes a source of energy when it is burnt. Geothermal power is power derived from hot, dry rocks, magma, hot water springs and natural geysers. Ocean thermal is energy derived from waves and tidal waves.
When it comes to renewable energy, the most effective and helpful is the sun. The sun is obtainable from sunrise to sunset and produces an unimaginable quantity of energy every single and everyday. What solar collectors do is to harness the power from the sun in the form of radiation to be usable forms of energy such as heat and electricity, Solar cells in particular converts the sun’s energy into electricity. With technology getting so advanced, solar cells are taken to a new level. There are recreational vehicles, cell phones and cars.
Solar heating systems rely on a source of bright light, a surface or liquid that can absorb light and a storage device for the resulting heat generated.
A greenhouse is a excellent example of this impact. Solar heat is by far the cheapest and most practical form of renewable power in the world. Some practical utilizes are water heaters, ovens, cookers and residence heating.
From times long, long ago, sailing ships depended on the energy of the wind to get across oceans. Likewise wind energy was also used to work windmills for pumping water. Right now, wind power is becoming employed as a clean source of electricity around the planet. Wind farms, as they are often known as can provide sufficient electricity for thousands of homes at a time. The power of wind is utilised to turn turbines, which in turn is connected to an electrical generator and the gearbox inside the generator converts the energy of the spinning turbine into electricity.
Hundreds of years ago, waterwheels had been utilised to present power for grain mills and lumber cutting. Hydroelectricity, as it is called these days, produces over 60% of the electricity in Canada and 60% in the United States.
Global warming is a threat that will impact generations to come. The atmosphere surrounding us that supports life is a God-given gift. It need to be protected. We need to be leaders in efforts to curb global warming, not resistant followers.