Water-Stressed Cities In India Turn To Innovation For A Safe, Stable Supply

Half the population of India lives in areas where water resources are
highly stressed. In the coastal city of Chennai, rapid economic development
and a population boom have jeopardized supplies of freshwater, prompting
officials to rely on desalination of the ocean. But some local residents
have found a simpler and more reliable source. Special correspondent Fred
de Sam Lazaro reports.