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Coal - Ms. Looft

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Lindsay Looft

on 13 March 2013

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Transcript of Coal - Ms. Looft

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli COAL Spotlight on: What is it? Coal is a black rock formed by decomposing plants and animals over millions of years. Of all the fossil fuels, coal contains the most energy. Where does it come from? Coal is found hundred of feet below the surface of the Earth. We extract coal by mining. How do we use it? Coal is used by burning it to release the energy stored within. Burning it has several negative side-effects. What are some advantages? Coal contains a lot of energy compared to other resources. It is also an inexpensive energy source. What are some disadvantages? Coal releases carbon dioxide when used. Mining it also presents several environmental concerns. The Future of Coal I think we should continue using coal as a source of energy but try to develop other forms to replace it within the next ten years. In my opinion, the health and environmental risks outweigh the benefits.
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