San Francisco Bay's harbor seals have some of the highest PFOS levels in the world, and the chemical isn't following the pattern of slow decline of other persistent pollutants.

The San Francisco Fire Department posted videos on social media showing the crew help to untangle the seal. Watch NBC Bay Area News 📺 Streaming free 24/7 The seal was taken to a veterinary ...

San Francisco Fire working with Marine Mammal Rescue to save a harbor seal. Firefighters from Station 35 had the pleasure of working with volunteers who are trained in pinniped rescue.