Renewable Energy

{ 9:24 AM, 18/4/2007 } { 1 comments } { Link }

Renewable energy is energy which can be replenished at the same rate it is used. Renewable energy sources contribute approximately 25% of human energy use worldwide. The prime source of renewable energy is solar radiation, i.e. sunlight. The Earth-Atmosphere system supports approximately 5.4 x 1024 joules per year in the solar radiation cycle (Sorensen, 2004). Mankind's traditional uses of wind, water, and solar power are widespread in developed and developing countries; but the mass production of electricity using renewable energy sources has become popular only recently, reflecting the major threats of climate change due to pollution, concerns about the exhaustion of fossil fuels, and the environmental, social and political risks of fossil fuels and nuclear power. Many countries and organizations promote renewable energies through taxes and subsidies. Varying definitions of the term renewable energy have been adopted to define eligibility under these policies.
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Real Estate

{ 9:34 AM, 6/10/2007 } { Posted by Anonymous }
Real Estate - eac.com.au provides an abundance of information to help you learn more about real estate
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Renewable Energy