Risks can be from pollution.Logical formLearned from6 sentences. Pollution may undergo a dispersion.Logical formLearned from6 sentences. A focus can be on pollution.Logical formLearned from6 sentences. Increase can be in (air pollution).Logical formLearned from6 sentences. Spending can be on (pollution control).Logical formLearned from6 sentences. Pollution may change a climate.Logical formLearned from6 sentences. Industrial pollution may undergo a reduction.Logical formLearned from6 sentences. (Nutrient pollution) can be from agriculture.Logical formLearned from6 sentences. Pollution can be residential.Logical formLearned from6 sentences. An (air pollution) can be in an area.Logical formLearned from6 sentences. (Pollution sources) may undergo a regulation.Logical formLearned from6 sentences. Pollution can be worst.Logical formLearned from6 sentences. (Pollution laws) may pertain-to a country.Logical formLearned from6 sentences. (Water courses) may undergo pollution.Logical formLearned from6 sentences. (Pollution standards) may undergo an imposition.Logical formLearned from6 sentences.