Water scarcity has become one of the world's greatest challenges. In less than 20 years, nearly two billion people could face shortages. But Azerbaijan, which sits between Europe and Western Asia, has come up with an ingenious solution to its water crisis by looking to its past for inspiration. 

As the world's easternmost nation, Kiribati (pronounced "kiri-bas") gained attention in 2000 as the first land to welcome in the new millennium. Now, according to dire predictions, the tiny Pacific country could be about to claim another record: the first to become uninhabitable due to climate change, possibly as soon as 20 years from now.

Throughout the world, access to safe drinking water is the most critical element of sustained good health. Clean Water focuses on the highly successful efforts of one humanitarian organization, East Meets West, to bring safe drinking water to rural communities in Vietnam -- led by staff member Richard Brogdon, a Vietnam war veteran who has special reason to help the local Vietnamese community.