How Otters Are Saving Earth’s Underwater Forests

Hidden beneath the surface of our coastal seas are towering forests - of kelp. These underwater ecosystems are as crucial to our environment as their land-based counterparts. We’ll explore them alongside conservationists who are working to restore these threatened habitats. We'll also meet some adorable sea otters and learn about the role they play in maintaining the balance in this sensitive environment.

Hosted by Joe Hanson from Be Smart, Overview uses stunning 4k drone footage to reveal the natural and human made marvels shaping our planet--from a 10,000-foot view--literally.