Environmental activism helped put a stop to commercial whaling, and populations of humpbacks and other whales have rebounded since the 1970s. But one species of whales is particularly endangered — the North Atlantic right whale.
While scientists aren’t always sure of what is killing whales, one of the biggest dangers the animals face is getting tangled in ropes.
Sam Evans-Brown of Here & Now contributor New Hampshire Public Radio reports on what researchers and fisherman are doing to protect whales from ropes.
This segment aired on July 14, 2016.