Methane: The Other Greenhouse Gas
In the war against global warming, regulators have a new worry: methane. It's been getting more attention of late, because scientists say as a greenhouse gas, it's many times more potent than carbon dioxide.
THE CALIFORNIA REPORT | MON, JAN 26 2009 8:50 AM
Part 1: Why Methane Matters
Human activity produces far less methane than carbon dioxide, but methane is a much more potent warming gas. Why is methane starting to get a second look from both scientists and policy makers?
THE CALIFORNIA REPORT | MON, FEB 2 2009 8:50 AM
Part 2: Cow Power
We go to a farm outside Modesto, California, where methane is being converted from problem to profit. Or at least, that's the hope.