Marketplace for Thursday, December 4, 2008
All the economic troubles might have started in the United States, but they haven't ended here. Kai Ryssdal talks with Nobel Prize-winning economist Amartya Sen about the global impacts.
California hopes to generate about a third of its electricity from renewable sources by 2020. But it's finding the hard part is tying all that new green power into the existing grid. Sam Eaton reports.