Countries can be with (pollution controls).Logical formLearned from5 sentences. A (pollution reduction scheme) may undergo an introduction.Logical formLearned from5 sentences. (Water sources) may undergo pollution.Logical formLearned from5 sentences. Levels can be constituted-of-or-filled-with (chemical pollution).Logical formLearned from5 sentences. An amount of (air pollution) can be high.Logical formLearned from5 sentences. Solutions can be to pollution.Logical formLearned from5 sentences. An environment may undergo a (chemical pollution).Logical formLearned from5 sentences. (Health effects) may pertain-to pollution.Logical formLearned from5 sentences. Research can be on (air pollution).Logical formLearned from5 sentences. Some degree can be constituted-of-or-filled-with pollution.Logical formLearned from5 sentences. Industrial pollution can be from industry.Logical formLearned from5 sentences. Attention can be to (water pollution).Logical formLearned from5 sentences. An increase can be in (noise pollution).Logical formLearned from5 sentences. Pollution may undergo a cleanup.Logical formLearned from5 sentences. Pollution can be problematic.Logical formLearned from5 sentences.