Industrialized nations may reduce emissions of (carbon dioxide).Logical formLearned from14 sentences. Emissions can be from some level.Logical formLearned from14 sentences. Emissions may drop by some percent.Logical formLearned from14 sentences. Reductions can be in greenhouse-gas emissions.Logical formLearned from14 sentences. Limits can be on (greenhouse emissions).Logical formLearned from14 sentences. Emissions can be by some percent of some levels.Logical formLearned from14 sentences. Legislation may set caps on (greenhouse gas emissions).Logical formLearned from14 sentences. Emissions may fall.Logical formLearned from14 sentences. A country may reduce (greenhouse gas emissions).Logical formLearned from14 sentences. Companies may cut emissions.Logical formLearned from14 sentences. Emissions of (carbon dioxide) may decline by some percent.Logical formLearned from14 sentences. Concerns can be about (carbon dioxide emissions).Logical formLearned from14 sentences. (Greenhouse gas emissions) may pertain-to a world-city.Logical formLearned from14 sentences. Limits can be constituted-of-or-filled-with (greenhouse gas emissions).Logical formLearned from14 sentences. Emissions can be from flights.Logical formLearned from14 sentences.