NASA Satellites Unlock Secret to Northern India's Vanishing Water

Beneath northern India’s irrigated fields of wheat, rice, and barley ... beneath its densely populated cities of Jaiphur and New Delhi, the groundwater has been disappearing. Halfway around the world, hydrologists, including Matt Rodell of NASA, have been hunting for it.More here, http://www.nasa.gov/topics/earth/features/india_water.html