Along with hydropower and fossil fuels, like crude oil and coal,the Earth has other resources of energy as well. These include the geothermal heat which comes from the depths of the Earth.
The heat of the Earth normally comes out on the surface in destructive ways in many volcanic regions, and at other places such as lceland this heat is released through 'quiet volcanism.High temperatures prevail deep inside the Earth's surface, which can be used to produce energy with the help of geothermal power plants.
Energy can also be obtained from plants in the form of biogas or fuel from sugarcane, which is used to run a number of cars in countries like Brazil.
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