Blue Mussels Clean and Protect New York Harbor
Video duration: 1:42
After the destruction caused by Hurricane Sandy, New York City looks for ways to protect the metropolis from future floods. Civil engineers look to floodgates, but landscape architect Kate Orff is looking at tiny blue mussels for answers. Rebuilding the natural mussel beds and marshes around the city offers natural protection against waves, and they will clean the harbor's dirty waters, she said.