Summary

Marine biologist Hanson leads a research team investigating the declining Orca population by collecting blubber samples from whales at close range. Using blunt-nosed darts, they extract biological samples to test for environmental contaminants, with a specific focus on identifying toxic substances like PCBs. The initial lab results have been deeply concerning, suggesting that chemical pollutants may be playing a significant role in the Orcas' population decline. This research highlights the critical importance of understanding human-induced environmental threats to marine ecosystems.