If you've ever been to the Salton Sea in the Imperial Valley, you know that it's in trouble. The air quality is so bad you can seldom see the other side of the lake, and the brown water laps against stones that are encrusted in salts. Several plans have been put forward to save the Salton Sea, all involving millions of dollars. The latest proposal -- which would spend $6 billion over 75 years -- is scheduled to go before the California State Legislature any day now. Producer Paul Alexander looks into the current conditions at the sea.