RAINFORESTS: Palm oil expansion threatens Africa's great apes -- study Joshua Learn, E&E reporter Published: Thursday, July 10, 2014 Researchers predict Africa's great apes are threatened by habitat destruction spurred by rising demands for palm oil. 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.