Sample Essay

Non renewable sources of energy include fossil fuels, natural gas, oil and coal. Fossil fuels are formed from the remains of plants and animals that died and were buried under the earth’s surface millions of years ago. These fossil fuels are found under the earth’s crust.

They are usually burned to release the energy that is within them. In these modern times of industrialization and globalization economies have increasingly demanded more energy. Surprisingly almost over 85 percent of global energy demands are met through the combustion of fossil fuels (max, 1965).

Renewable energies can be described as forms of energies that are manageable such that they cannot be depleted in a human timescale. There are various sources of renewable energy. These include water waves and tides, the sun’s rays, the wind, Rivers, geothermal steams and biomass.(Hardwick, 1982)

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