The paper "Solar Energy as the Answer to the Energy Crisis" highlights that being completely pollution-free, solar energy will reduce the global greenhouse gas emissions and thus reduce the speed of climate change. There is no doubt that solar energy will be the preferred energy source of the future…
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The sun’s energy has been used by humans since the dawn of history for different purposes. Ancient people of Egypt, Mesopotamia, India, and Greece considered the sun to be a god. The sun was also considered to be a deity by Zoroastrians, the Druids, the Buddhists and many native American tribes To warm, to dry, to live, solar energy has been used in many ways throughout human existence, The caveman used the heat of the sun to keep himself warm, and the twenty-first-century man also uses solar energy, whether it is in the form of coal or electric fire, for the same purpose. Clothes are dried, salt is made and food is cooked using solar energy. Plants use solar energy efficiently to manufacture food, and animals eat plants. Thus, whatever food we eat is indirectly made using the sun’s energy. Without the sun there would be no life on the earth. Coal and petroleum which provide us fuel were made billions of years ago by plants and animals using solar energy. Being non-renewable sources of energy, they are going to be exhausted in the foreseeable future at the rate we are using them. The imperative need of the day is to find an alternate source of energy in place of the non-renewable fossil fuels. Among the alternative sources of energy available to us, solar energy is arguably the best.
The sun’s energy that is pounding the earth is put into varied uses by man. People living on the west coast of India, where there is incessant rain for four months during the monsoons, use the abundant solar energy they receive before the advent of the rainy season to dry vegetables and other foodstuffs so that they do not become moldy. One can see terraces of houses spread with drying jackfruit, pieces of drying green mango, turnip, and cauliflower. Fishermen preserve fish by drying it in the sun. The Chinese have perfected the art of using sunlight to preserve fruit. Sunlight is also used to heat water.
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