best essay on One step towards green and clean energy in 700 words
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best essay on One step towards green and clean energy in 700 words
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The energy transition to meet the world's needs for electricity, heating, cooling, and power for transport in a sustainable way is widely considered to be one of the greatest challenges facing humanity in the 21st century. Production and consumption of energy emits over 70% of human-caused greenhouse gas emissions. Worldwide, nearly a billion people lack access to electricity, and around 3 billion rely on smoky fuels such as wood, charcoal or animal dung to cook. These and fossil fuels are a major contributor to air pollution, which causes an estimated 7 million deaths per year.
In general, renewable energy sources such as solar, wind, and hydroelectric energy are widely considered to be sustainable.