A site may be threatened by pollution.Logical formLearned from4 sentences. A (pollution prevention program) may pertain-to a city.Logical formLearned from4 sentences. A solution can be to pollution.Logical formLearned from4 sentences. (Pollution levels) may pertain-to persons.Logical formLearned from4 sentences. (Air pollution) can be in areas.Logical formLearned from4 sentences. Sources may pertain-to an (air pollution).Logical formLearned from4 sentences. A reduction can be in (water pollution).Logical formLearned from4 sentences. (Air pollution) can be (health threat).Logical formLearned from4 sentences. Pollution may be carried.Logical formLearned from4 sentences. Technologies may reduce (air pollution).Logical formLearned from4 sentences. (Pollution prevention) may undergo an adoption.Logical formLearned from4 sentences. Scope of a program may consider some sources of (air pollution emissions).Logical formLearned from4 sentences. Some sources can be constituted-of-or-filled-with (air pollution emissions).Logical formLearned from4 sentences. A (pollution problem) may pertain-to a us-state.Logical formLearned from4 sentences. A magnitude may pertain-to a (pollution problem).Logical formLearned from4 sentences.