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Greenhouse: The seas continue to rise


Host Tony Dokoupil chats with Ted Genoways about his latest article on the 'corn wars' between the United States and China. Later, we talk to General Mills about their recent pledge to cut carbon emissions. Plus, a look at why California sea lions are in peril. Dokoupil also talks to NASA’s Tom Wagner about the rising sea levels and President Obama’s historic trip to Alaska. Greenhouse airs Thursdays at 12pm ET on Shift.