Imagine a world with no drinking water, and no water to wash or cook-with. It's hard to imagine this, because we use water every day.
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We all need water – not just for our homes
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and factories,
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but to survive.
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Water pollution is one of the famous and one of the largest problems in our world.
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In fact, over half of the people in the world have to leave with water shortages every day.
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Yet there are terrible water shortages all over the world. In parts of Africa and China, for example, many people don't even have clean water to drink.
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Children in Kenya often have to go many kilometers to collect drinking water.
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But the pollute water killed animals
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and plants too.
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Many cities have successfully saved water by repairing pipes.