By Ryan Prior, CNN Alaska has been in the throes of an unprecedented heat wave this summer, and the heat stress is killing salmon in large numbers. Scientists have observed die-offs of several varieties of Alaskan salmon, including sockeye, chum…
By Ryan Prior, CNN Alaska has been in the throes of an unprecedented heat wave this summer, and the heat stress is killing salmon in large numbers. Scientists have observed die-offs of several varieties of Alaskan salmon, including sockeye, chum…