The United Nations uses the term “improved” sources of water to describe what is supplied to residents of many urban areas around the world. Unfortunately, “improved” does not always mean “clean” or “safe.”
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VEVEY, SWITZERLAND – How many people in the world’s towns and cities can drink the water in their tap without risking their health? The answer is probably impossible to determine. Indeed, the United Nations uses the term “improved” sources of water to describe what is supplied in many urban areas around the world. Unfortunately, “improved” does not always mean “clean” or “safe.”