(Emission caps) can be mandatory.Logical formLearned from21 sentences. Emissions can be significant.Logical formLearned from21 sentences. (Greenhouse gas emissions) may increase.Logical formLearned from21 sentences. Decreases can be in emissions.Logical formLearned from21 sentences. (Carbon dioxide emissions) may cause global warming.Logical formLearned from21 sentences. A contributor can be to (greenhouse gas emissions).Logical formLearned from21 sentences. Pledges may fall short of reductions of (greenhouse gas emissions).Logical formLearned from21 sentences. Emissions can be from some countries.Logical formLearned from21 sentences. (Gas emissions) may be blamed for global warming.Logical formLearned from21 sentences. Some percent can be constituted-of-or-filled-with (sulfur dioxide emissions).Logical formLearned from21 sentences. Emissions can be unavoidable.Logical formLearned from21 sentences. Green-house gases may undergo emissions.Logical formLearned from20 sentences. (Climate change) may be caused by (greenhouse gas emissions).Logical formLearned from20 sentences. Emissions may pertain-to a US-city.Logical formLearned from20 sentences. (Emission lines) can be prominent.Logical formLearned from20 sentences.