The Deadliest Item at Your Grocery Store?

Somewhere in the northern Pacific floats a non-biodegradable petrochemical blob that's twice the size of Texas. Much of this deadly mess originated when someone innocently took home their shopping in a plastic bag.In the U.S. alone, we throw away 100 billion plastic bags each year -- the equivalent of 12 million barrels of oil. Yikes! What can you do?

Tune in to Orli Cotel's Sierra Club Radio interview with Katherine Mieszkowski, of Salon, to find out.