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Pollution is when something is added to the environment harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution . Sewage in drinking wateris another type of pollution, containing germs and viruses. There are 3 kinds of pollution: water pollution, land pollution, and air pollution.
As pollution grows, ways to combat it have grown too. Solar energy and wind energygive people other ways to power their homes. When people use these alternative forms of energy, they put less carbon dioxide into the environment