Courtney Carlson

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Polar Express

Polar Bear Cub playing with stick

The increasingly melting ice around the Arctic is causing concern for polar bear breeding. (Ariadne Van Zandbergen)



Save the Polar Bears? They're Fine, Actually

Two years ago, following guidance from the U.S. Geological Survey, the federal Fish and Wildlife Service officially listed the polar bear as a threatened species under the Endangered Species Act. The idea is that global warming will reduce--or even eliminate--sea ice in the Arctic Ocean at the end …

Polar Bears Are Having To Swim For Up To A Week Without Rest Due To Melting Ice

Happy Earth Day, people! Let’s stop doing horrible stuff to polar bears, shall we? A researcher at the University of Alberta has found that polar bears are making longer and longer swims across open ocean because of fractured, melting sea ice. Researcher Andrew Derocher has been tracking polar …

Melting sea ice is forcing polar bears to take epic swims. You asked for ways to help.

Last month we reported on a study that found polar bears are swimming incredibly long distances in search of sea ice where they can hunt and rest. These marathon swims — which can cover hundreds of miles and take up to nine days — are incredibly taxing to the bears and their cubs, and they put the …

Global Warming

Hudson Bay polar bear encounters reach record level

Manitoba government documents suggest polar bear encounters with people have reached record levels on the shores of Hudson Bay, with more of the mammals ending up in a specialized jail in Churchill.<p>Polar bear activity reports from the past three years show the number of documented cases in …


Fire Breathing Bear

Polar bears losing weight as Arctic sea ice melts, Canadian study finds

Three decades of melting sea ice has led to significant weight loss among the world’s southernmost population of polar bears, new data from Canadian researchers suggests.<p>“It’s a red flag,” said Martyn Obbard, a scientist with the Ontario provincial government and co-author of a recently published …

Global Warming

Melting sea ice forces polar bears to swim farther: study

EDMONTON -- Research suggests polar bears are being forced to take long swims more often as climate change reduces Arctic sea ice.<p>It's particularly …

Global Warming

US ceases efforts to end global trade of polar bear parts

The US government has quietly dropped its campaign for an international ban in the trade of polar bear parts, which would have given the practice the same outlaw status as the elephant ivory market.<p>The US Fish and Wildlife Service has spent several years attempting to ban the overseas trade of …


These Polar Bears Are Pooping Glitter, For Science

Scientists feed glitter to animals to mark their poop for study.<p>For the past two years, polar bear poop left around the Assiniboine Park Zoo, in Winnipeg, has been sparkly. That's because zookeepers have been mashing up glitter into the bears' diet of ground-up horsemeat, according to a recent CBC …

Polar Bear