The town of Churchill, once the world's polar bear epicentre, is increasingly relying on beluga whale tourism to keep visitors smiling.

Playful large white beluga whales' happy chirps leap out in an environment and economy threatened by warming water that's melting sea ice, starving polar bears and changing the entire food chain.

Ann Taylor and Loft have returned to Canada in a big way through an agreement with Centric Brands LLC and Hudson's Bay. As of Tuesday, 30 Ann Taylor shops and 60 Loft shops have opened inside Hudson's Bay department stores across Canada,

In Churchill, Manitoba scientists say there are now about half the polar bears as there were 40 years ago. Polar bears are losing sea ice that they use as a base for seal hunting. And less food affects polar bear mothers’ ability to reproduce.