Scientists have photographed the largest gathering of Pacific walruses ever recorded, on a beach in northern Alaska.
It’s hardly the first big walrus gathering to be documented. But scientists say the size of the gatherings are growing as climate change melts Arctic sea ice, depriving walruses of their sunning platforms of choice.
As the ocean heats up due to global warming, Arctic sea ice has been locked in a downward spiral. Since the late 1970s, the ice has retreated by 12 percent per decade. Learn more here.