Dammed to Extinction (2019)

Dammed to Extinction - Official Trailer

For eons, a one-of-a-kind population of killer whales has hunted chinook salmon along the Pacific Coast of the United States. For the last 40 years, renowned whale scientist Ken Balcomb has closely observed them. He’s familiar with a deadly pattern, as salmon numbers plummet orcas starve. The orcas need roughly a mill...