1. Report of presentations at the American Association for the Advancement of Science by the Science Editor in St Louis of The Independent, 17 February 2006.

2. See Global Warming - The complete briefing, pp. 5-7, John Houghton, Cambridge, 2004

3. The Observer, 4 July 2004

4. Vital signs 2005, p. 56, Worldwatch Publications 2005

5. 'If we don't stop burning oil', New Scientist, 18 February 2006, p. 10

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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