Remote cameras in Norway have given us the first detailed look at polar bear cubs emerging from their dens, in videos more than 10 years in the making.

WATCH: Smithsonian's 'Polar Bear Town' Shows the Thousands of Daring Tourists Who Meet the Bears Each Year With help from bear guides, tourists are allowed to get within a few yards of these giant ...

The streaming service Disney+ is putting a focus on Earth Month. This week, we'll see a new Disneynature documentary that follows a mother polar bear who shows her cubs what it takes to survive.