Churchill, Manitoba, the polar bear capital of the world, draws tourists, photographers and scientists from all over the world. But community members of this awe-inspiring destination are on edge as the warming Arctic endangers polar bears and residents' way of life. The WCCO Original documentary, "On The Edge: The People and Polar Bears of a Warming Arctic," brings you up close to polar bears in the wild with behind-the-scenes footage and unforgettable polar bear encounters. Discover how climate change in this small Canadian town is a warning for us all, and what we all can do to ensure the future of polar bears and northern communities.