Local officials in Carlsbad, Calif., see salvation for their water-starved community in a huge proposed desalination plant. Poseidon Resources, the company hoping to build it, says building it won't cost taxpayers and ratepayers a dime. But tough investigative reporting shows that southern Californians would pay at least $640 million over 30 years for the project.

Janet Wilson reports for DC Bureau via ENS May 17, 2010. [2]