입트영 5월 6일 Eco-friendly energy sources (친환경 에너지원)

New renewable energy refers to converting and using energy from renewable sources like sunlight, water, wind, geothermal heart, and microorganisms which are always available. More than 70% of energy still comes from fossil fuels. but new renewable energy also includes reusing these traditional energy sources like coal and petroleum. Solar energy uses sunlight, and wind energy harnesses power from wind. Hydropower uses water, and bioenergy comes form fermenting plants and animals. Geothermal energy makes use of underground water, or heat form the earth. We know it fully well that fossil fuels p..........

원문링크 : 입트영 5월 6일 Eco-friendly energy sources (친환경 에너지원)