ENDANGERED SPECIES: Saving the world's rarest gorilla would cost $10.5M -- enviros Published: Friday, March 21, 2014 Conservationists say the world's rarest gorilla could be saved with a $10.5 million action plan. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.