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.

Reports

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?

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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.