Renewable Energy
The world is getting its oil and gas resources depleted day
after day. This calls for other sustainable sources of energy.
'Sustainable energy" means our energy resources are used
efficiently to ensure a continuous supply. Using renewable energy instead of
fossil fuels will be a better option because they cause less pollution.
Renewable energy sources are continually replenished naturally, which means
they are sustainable.These include hydroelectric, solar, wind, geothermal,
biomass, wave and tidal energy.
Efficient energy management is required to ensure that the
energy sources is not wasted and quickly depleted.
SOURCE
http://en.wikipedia.org/wiki/Renewable_energy
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