When science advances, cities and business enterprises grow in tandem. As human population in cities increases, the amount of waste also increases exponentially. Therefore, we should discover scientific means for properly handling this waste. If not, our natural environment will decay and diseases will spread. We must strive as much as possible to recycle and
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Metals are valuable materials that can be recycled again and again without altering their properties. Scrap metal are quite valuable, which motivates people to collect it for sale to recycling companies. According to the American Iron and Steel Institute (AISI), steel is the most recycled material on the planet. The other highly recycled metals include
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Our environment is changing all the time depending on the ways we live, travel, produce and consume goods. This varies from the construction of new buildings and transport infrastructure to waste and water treatment plants, which are done to meet societies’ needs. All of these changes and developments have a huge impact on our natural
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International Earth Day is observed on 22nd of April every year. The day is marked annually to highlight concerns surrounding the environment, for example air and water pollution, as well as climate change, among other factors. First held on April 22, 1970, it now includes a wide range of events coordinated globally, including 1 billion
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We now know that man-made climate change is real and that it poses a great threat to the planet and its inhabitants. The conditions for human life, even the conditions for life itself, are severely threatened. There have been previous radical shifts of climate as well as catastrophic mass extinctions across the almost 4-billion-year history
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Waste collection is a fundamental element of a municipal solid waste management system. The main goal of a waste collection strategy is to collect in a timely and economical manner, as much correctly source separate waste as possible, in order to ease the subsequent waste sorting and/or treatment stage with the aim to maximize re-use
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