Energy Management (Most of the Earth's energy comes from the sun )

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-Solar power
Coal-Prehistoric plants
-Wind and wave power - Sun warms our atmosphere .
-Power stations burn coal , oil or natural gas to run the generators .
-Uranium
-The flow of water .


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-They provide around 66 percent (coal , oil and gas ) of the world electrical power , and 95 percent of the world .
-Total energey demands ( including heating , transport , electricity generation and other uses ) .