Polar Bears: A Summer Odyssey -- Film Description:
"This is the story of a young bear's epic migration through the icy waters of Hudson Bay and his struggles on land. It's his first summer alone without his mother to guide and feed him. His struggle to survive is set against the biggest environmental story of our time: climate change."
-- Arcadia Content

Source:
"Polar Bears: A Summer Odyssey" Arcadia Content. http://www.polarbearsummer.com/. [official site]