In Alaska, a Mystery Over Disappearing Whales – Undark
In the 1980s, Kotzebue Sound’s beluga population began to dwindle…Although some stocks are healthy, beluga numbers have fallen off in around a half-dozen regions over the last 50 years…Now, even after hunting has ceased in some places, stresses such as climate change, increased ship traffic, and chemical pollutants are a gathering storm that threatens to finish the job…