Global Warming Linked to Ocean Heat Wave
Art Miller links heat wave to wind patterns and fossil fuel emissions.
Heat wave is fourth most extensive in Northeast Pacific.
Marine mammals, seabirds, and small fish died in Alaska's coastal regions.
Michael McPhaden says North Pacific warmed fastest globally in past decade.
Heather Renner reports rise in public calls about sick and dead birds.
Researchers warn that repeated heat waves threaten ecosystems and weather.
1 month ago