An invasive species had taken over ecosystems across the West Coast and was threatening to dominate another one in Monterey ... for the havoc green crabs had caused — damaging sea grass beds ...

Then one day he encountered a green-cloaked woman seeking someone to toss her big green bag into the sea. She explained that if they did so without opening the bag… NARRATOR: The desperate ...

SAN FRANCISCO – A California ecosystem has gotten a big boost ... only one along the West coast that has been significantly colonized by southern sea otters. And they love to eat green crabs.