Emission may undergo a discovery.Logical formLearned from12 sentences. An emission can be coherent.Logical formLearned from12 sentences. A (low emission zone) may pertain-to a world-city.Logical formLearned from12 sentences. Details can be constituted-of-or-filled-with (pollutant emissions).Logical formLearned from12 sentences. (Emission allowances) may undergo a trading.Logical formLearned from12 sentences. A protocol can be on (greenhouse gas emissions).Logical formLearned from12 sentences. (Greenhouse gas emissions) may undergo projections.Logical formLearned from12 sentences. An emission can be detectable.Logical formLearned from12 sentences. Compliance can be with (emission limits).Logical formLearned from12 sentences. A reduction can be in emission.Logical formLearned from12 sentences. Cent may pertain-to (carbon dioxide emissions).Logical formLearned from12 sentences. Developing countries may undergo emissions.Logical formLearned from12 sentences. A size may pertain-to an (emission region).Logical formLearned from12 sentences. A (radio emission) can be extended.Logical formLearned from12 sentences. (Carbon emissions) may undergo a regulation.Logical formLearned from12 sentences.