1026021 Tom doesn't like swimming in this river. He says it's too polluted. CK 1 58127 This river is not polluted. CK 681756 The oil spill polluted the bay. Source_VOA 681757 Sewage often pollutes the ocean. Source_VOA 275644 The atmosphere is being polluted. CK 275648 Even the upper atmosphere is polluted. CM 681607 Large areas of the ocean are polluted. Source_VOA 21020 Some factories pollute the environment. CK 681758 Exhaust from factories pollutes the air. Source_VOA 58125 This river is polluted with factory waste. CM 240740 Factory waste sometimes pollutes our rivers. CM 2682269 These factories are polluting the environment. Hybrid 2568454 It's one of the most polluted cities in the world. Hybrid 259358 I don't like the polluted atmosphere of big cities. CK 21021 We ought to do our best not to pollute our environment. CK 45762 The river is polluted by waste from houses and factories. CM 58147 This river is so polluted that fish can no longer live in it. CK 281436 Many rivers in Japan are polluted by waste water from factories. CM 735676 I would very much like the place where I live to be less polluted. Eldad 274917 Many rivers have been so polluted that they can no longer be used for drinking water. CK