Fossil fuels, also known as non-renewable sources of energy, include fuels like coal, petroleum, natural gas, etc. These fuels have taken millions of years to form and are thus in a limited quantity, and will run out depending upon our rate of consumption. Renewable sources, on the other hand, are not in limited quantity and can be replaced. Examples of renewable sources include, solar energy, wind power, tidal energy, etc. Both the renewable and non-renewable...
Fossil fuels, also known as non-renewable sources of energy, include fuels like coal, petroleum, natural gas, etc. These fuels have taken millions of years to form and are thus in a limited quantity, and will run out depending upon our rate of consumption. Renewable sources, on the other hand, are not in limited quantity and can be replaced. Examples of renewable sources include, solar energy, wind power, tidal energy, etc. Both the renewable and non-renewable sources of energy are used for energy generation: as electricity and as heat. Currently, fossil fuels fulfill most of our energy needs, but the share of renewable sources is rapidly rising. Another common feature of both the fossil fuels and renewable sources is that they are mostly forms of sun's energy (an exception is geothermal energy). Fossil fuels are result of fossilization of plants and animals, which used sun's energy to survive, when they were alive. Similarly, solar power is direct use of sun's energy, while winds are generated by sun's energy, etc.
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