But pollution, overfishing, and habitat destruction have put oceans under stress, with 13 of the 17 major fishing grounds either fished out or in serious decline.
(pollution, overfishing, and habitat destruction; have put; oceans; under stress) (the 17 major fishing grounds; fished out; )
pollution, overfishing, and habitat destruction the 17 major fishing grounds
have put fished out
oceans under stress