Humans aren't the only ones who get stressed. Stress on polar bears from their melting environment is stunting their growth!
When scientists compared polar bear skulls from the early 20th century to recent ones, they found they are getting smaller (meaning the bodies they were attached to are getting smaller as well). This correlates...
turn to cannibalism - Polar Bears are not doing well, despite assertions by one vice-presidential candidate that they're just fine. In fact, there are an increasing number of reports of starving polar bears killing and eating each other.
The US Department of Interior has put them on their Endangered Species List. In CNN....