Environmentalist, 350.org Founder Bill McKibben on "Eaarth: Making a Life on a Tough New Planet"

Ahead of Bolivia’s indigenous summit on climate change and the expected unveiling of a Senate climate bill next week, we speak to someone who sounded one of the earliest alarms about global warming. Twenty years ago, environmental activist Bill McKibben wrote The End of Nature, but his warnings went largely unheeded. Now, as people are grappling with the unavoidable effects of climate change and confronting an earth that is suddenly melting, drying, acidifying, flooding and burning in unprecedented ways, Bill McKibben is out with Eaarth: Making a Life on a Tough New Planet, a new book about what we have to do to survive this brave new world. [includes rush transcript]