As the author of “Jaws,” Peter Benchley, put it, “You could start now, and spend another forty years learning about the sea without running out of new things to know.” This week’s guest on Sea Change Radio would surely concur. Richard Delaney, the President and CEO of the Center for Coastal Studies, has spent the past forty some-odd years on Cape Cod, striving to understand the fathomless and majestic depths of the ocean. In our discussion, we look at the impact that pollution and climate change are having on the Cape’s fragile ecosystem, how shark, whale and seal populations have been affected, and what these changes mean for the area’s seafood industry. We also note that Delaney’s organization is currently hosting a free online film festival, coincidentally dubbed Sea Change Film Shorts 2020.