Two polar bears woke up from six months of hibernation, only to find themselves on a construction site in Alaska. The mother and cub went into hibernation back in October and last month emerged from their den on what is now the new site for an Italian oil company.
Closer to home, scientists say polar bears on the Canadian tundra are among a multitude of species potentially under threat from climate change.
On tonight's Polar Bear Special, George travels to Churchill, Manitoba to see polar bears close-up, talk to scientists about the impact of climate change on the region's biodiversity and find out what can be done to save the polar bear from extinction.
In Churchill, the safest way to see and learn about the polar bears close-up is from a specially-designed Tundra Buggy. Safe, that is, until George tried driving it...