Crisis on Tap? | Science News



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Crisis on Tap?

Pollution and burgeoning populations stress Earth's water resources

7:54pm, July 16, 2002

Earth gets one of its nicknames, the Blue Planet, from the way it looks from space. About 70 percent of the planet's surface is covered with water, a substance that known types of life can't do without. All told, the oceans, land, and atmosphere hold the equivalent of almost 1.4 billion cubic kilometers of liquid water. About 96.5 percent of that total is salty ocean, a little more than 2 percent of the

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