Renewable Energy: Solar, Wind, and Others
Energy, in any of its representations, is a fundamental driving force of the universe and is responsible for life and the occurrence of natural processes at all levels. This feature of energy gives it the status of being the most desired natural resource and it is therefore exploited by all organisms that require it, particularly humans. The concept of renewable energy is linked to those sources of energy that are obtained from “virtually inexhaustible” natural sources, either due to the immense amount of energy available or because the energy source is capable of regenerating it naturally. Renewable energy is also called alternative energy, because this type of energy source can replace the currently used sources, either due to its reduced polluting effect or, essentially, due to the possibility of its renewal. Energy from alternative sources, such as the sun, wind, and geothermal springs, is economic, abundant, clean, and preserves the ecological balance.
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