After promising to deal with climate change in his second term, President Obama unveiled a comprehensive climate plan today. But how comprehensive is it? We'll take a look at the details and debate its potential effectiveness.

We'll also take a look at the importance of data privacy issues in the energy sector in the aftermath of revelations about the NSA data mining program, and ask whether the U.S. has hit "peak car."

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Tags: barack obama, carbon emissions, climate change, climate policy, energy gang, global warming, international climate talks, jigar shah, katherine hamilton, podcast, politics, stephen lacey