Will California regulate carbon emissions of ships in international waters?

Green Seas: A podcast by TradeWinds

Sacramento has done it before — regulating the environmental footprint of ships at sea rather than waiting for action by the International Maritime Organization. And now officials in the California capital are considering doing it again — this time for greenhouse gas emissions. We talk to University of California Berkeley’s David Wooley, Pacific Environment’s Teresa Bui and Chamber of Shipping of America’s Kathy Metcalf.