(Carbon monoxide levels) may soar.Logical formLearned from10 sentences. (Carbon emissions) can be from burning fossil fuels.Logical formLearned from10 sentences. (Carbon dioxide) can be from burning coal.Logical formLearned from10 sentences. Controls can be on (carbon emissions).Logical formLearned from10 sentences. A (carbon output) can be global.Logical formLearned from10 sentences. (Carbon dioxide) may be emitted from (power plants).Logical formLearned from10 sentences. Organic carbon may be trapped.Logical formLearned from10 sentences. (Carbon dioxide emissions) may be blamed for global warming.Logical formLearned from10 sentences. A (carbon tax) can be on fuel.Logical formLearned from10 sentences. (Carbon dioxide emissions) may increase by some percent.Logical formLearned from10 sentences. A country can be a producer of (carbon dioxide).Logical formLearned from10 sentences. Some tonnes can be constituted-of-or-filled-with (carbon monoxide).Logical formLearned from10 sentences. (Carbon emissions) can be daily.Logical formLearned from9 sentences. (Carbon dioxide emissions) may pertain-to a city.Logical formLearned from9 sentences. (Carbon emissions) can be from a country.Logical formLearned from9 sentences.