Renewable Energy Sources

renewable energy sources

renewable energy sources
UN Climate Talks Consider Global Renewable Energy Standard
While nearly everyone gathered in Cancun, Mexico for the U.N. climate talks wants to reduce the amou
Why should we have renewable energy sources?

I am writing an essay and I need the answer to this question I want to write about it but I want to know the reason why we need renewable energy sources so I can state it in my essay.

Renewable energy are the demand of this age. In past, energy were derived from burning of wood and other biomass sources. And then from coal, natural gas and petroleum products. But as these source of energy unlike wood and biomass products require hundreds and thousands of year to produce, they cannot be replenished and their source is getting depleted at faster rate with rise in population. Thus, energy crisis in future can be predicted even when the world is getting more and more energy dependent if we continue to rely only on the these sources of energy.

Another point is, not every country has got crude oil and coal reserves. Their economy is dependent on other countries as their energy cost can be huge which the other country can manipulate, much like middle east controlling oil – supply and prices which went above $140 per barrel (as of now is above $ 40/barrel). This makes a country less dependent on other country for their energy demand if they can use renewable energy available in their country. Energy from biomass is available everywhere, so is the solar energy(less in high latitude), In the region of higher altitude, wind energy can be harnessed, and energy can be harnessed from ocean, river and other water (larger) bodies and from earth (called Geothermal energy).

Another very important advantage is they are clean source of energy. They don’t cause air pollution either while producing energy from them (like energy from coal) or using them (like using gasoline). With the rise of issue of global warming and cutting out green house gas emission, it becomes more and more increasing important to use them instead of more polluting sources of energy.

20% renewable energy by 2020

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