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clean energy:
In the traditional sense, clean energy refers to energy that is friendly to the environment, meaning environmental protection, with less emissions and less pollution. However, this concept is not accurate enough, and it is easy for people to mistakenly think that it is a classification of energy, that energy is divided into clean and unclean, and thus misunderstand the original meaning of clean energy. [3]
The accurate definition of clean energy should be: a technical system of clean, efficient and systematic application of energy. There are three meanings: the first clean energy is not a simple classification of energy, but refers to the technical system of energy utilization; the second clean energy not only emphasizes cleanliness but also economics; the third clean energy refers to meeting certain requirements. emission standards.
Renewable energy refers to energy from which raw materials can be regenerated, such as hydroelectric power, wind power, solar energy, biomass (biogas), geothermal energy (including ground and water sources), and ocean tide energy. Renewable energy has no possibility of energy exhaustion. Therefore, the development and utilization of renewable energy has been paid more and more attention by many countries, especially in countries with energy shortage.
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