The seal population in the Northwest Atlantic has rebounded thanks to the passage of the Marine Mammal Protection Act in the 1970’s. Some are concerned about the impact of seals on fisheries and water quality, and believe seals are responsible for sharks in the waters off the Cape. To learn about the grey seal population and it's role in the ecosystem, we talk with Stephanie Wood, Research Professor of Seal Biology at UMASS Boston’s School for the Environment. Here's a link to The Northwest