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Published on Mar 18, 2010
Did you know that only 1% of Earth's water is fresh and available for consumption? Fresh water is the world's most essential natural resource, but it's also one of the most threatened. National Geographic magazine's April issue celebrates and explores this important resource. ➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.