Much of U.S. could see a water shortage

With the crisis feared in the nation’s dwindling freshwater supplies, more technology and conservation are being seen. "Is it a crisis? If we don't do some decent water planning, it could be," said Jack Hoffbuhr, executive director of the Denver-based American Water Works Association.

The price tag for ensuring a reliable water supply could be a major expense. Experts estimate that just upgrading pipes to handle new supplies could cost the nation $300 billion over 30 years. Although the immediate concern for us is the U.S., it's not just America's problem - it's global...

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