Farmers Fighting Guestworker Rules

Some California advocacy groups are hoping President Obama will overturn dozens of last-minute regulations from the Bush administration that affect everything from endangered species to guns in national parks. The United Farmworkers are fighting one of the regulations: changes to a guestworker program. Reporter: Sasha Khokha

Methane: The Other Greenhouse Gas, Part 1 - Why Methane Matters

It comes from cows, trash and even termites. Methane is the "other greenhouse gas." 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? Reporter: Craig Miller

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