It's not unusual to see right whales in the waters off Massachusetts at this time of year, but the number of whales feeding on the surface of the water is unusual. Climate change could be a cause of whales feeding in unexpected places.
Sharks scavenge carcass of North Atlantic right whale with ties to Cape Cod courant.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from courant.com Daily Mail and Mail on Sunday newspapers.
Scientists are just beginning to understand how much carbon is sequestered by salt marshes and seagrasses and how much could be released into the atmosphere if those ecosystems collapse.