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The "Good Morning America" co-anchor visits Churchill, Canada, where researchers and scientists are reporting on the increasing threat of climate change to polar bears.

"Good Morning America" co-anchor Michael Strahan chats with Dr. Steven Amstrup and Alysa McCall of Polar Bears International about the threats facing the majestic creatures and how they're adapting.

Researchers in Churchill, Manitoba are exploring whether radar technology could provide an early warning of the largest land carnivores’ presence.

More interactions between humans and polar bears are likely as sea ice melts due to climate change, scientists say.

Churchill aims to be the world’s first “polar bear safe community,” implementing innovative technology with the help of Polar Bears International to protect polar bears and people.

Climate change is playing a role in polar bears' migration in the Hudson Bay region.

Hungry polar bears are turning to garbage dumps to fill their stomachs as their icy habitat disappears due to climate change.

Dr. Tom S. Smith, lead author of recent study, shares insight into the impact of human-produced waste and food on polar bears.