http://www.kqed.org/.stream/anon/radio/quest/2009/12/2009-12-14-quest.mp3
It's an El Niño year, which raises hopes for significant rainfall this winter. But after years of drought, some local homeowners aren't counting on it. They're conserving water by reviving the ancient practice of rainwater harvesting. But how much can they really save? Katharine Mieszkowski reports.