Control can be over pollution.Logical formLearned from5 sentences. Pollution can be threats.Logical formLearned from5 sentences. Pollution may remain a concern.Logical formLearned from5 sentences. The ground may undergo pollution.Logical formLearned from5 sentences. (Pollution control) may undergo a development.Logical formLearned from5 sentences. Pollution may stop.Logical formLearned from5 sentences. Pollution may be reported.Logical formLearned from5 sentences. (Pollution controls) may manifest effectiveness.Logical formLearned from5 sentences. (Carbon pollution) may undergo emissions.Logical formLearned from5 sentences. (Pollution levels) may come_down.Logical formLearned from5 sentences. (Pollution levels) can be reduced.Logical formLearned from5 sentences. (Pollution prevention) may undergo a promotion.Logical formLearned from5 sentences. Aspects can be constituted-of-or-filled-with (air pollution).Logical formLearned from5 sentences. A (water pollution) can be in a river.Logical formLearned from5 sentences. Increases can be in (pollution levels).Logical formLearned from5 sentences.