When science advances, cities and business enterprises grow in tandem. As human population in cities increases, the amount of waste...

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Metals are valuable materials that can be recycled again and again without altering their properties. Scrap metal are quite valuable,...

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Our environment is changing all the time depending on the ways we live, travel, produce and consume goods. This varies...

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International Earth Day is observed on 22nd of April every year. The day is marked annually to highlight concerns surrounding...

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Waste, and our attitude to this crucial issue, are the main factors that affects our world's environment. The environment is...