Scientist Jim Estes discovers the collapse of the kelp forest ecosystem he had once seen thriving in the 1970s.

In this bonus scene from THE SERENGETI RULES, he determines how it’s caused by a ripple effect from the Pacific Northwest whaling business in the 1990s, changing the predation of orcas, thereby decimating the otter population and the kelp forest ecosystem by extension.

Watch this film for free at https://www.pbs.org/wnet/nature/seren...
Learn more about this film at https://www.tangledbankstudios.org/ou...