Trees may store carbon.Logical formLearned from11 sentences. A (carbon dioxide) may pertain-to the atmosphere.Logical formLearned from11 sentences. (Carbon dioxide) may undergo a diffusion.Logical formLearned from11 sentences. A mix can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from11 sentences. A majority may pertain-to carbon.Logical formLearned from11 sentences. (Carbon dioxide) can be a culprit.Logical formLearned from11 sentences. An amount of (carbon dioxide) may increase.Logical formLearned from11 sentences. (Carbon tax) may undergo an introduction.Logical formLearned from11 sentences. (Carbon markets) can be voluntary.Logical formLearned from11 sentences. A (carbon concentration) can be dissolved.Logical formLearned from11 sentences. (Carbon emissions) may pertain-to a world-city.Logical formLearned from11 sentences. (Carbon emissions) may pertain-to industries.Logical formLearned from11 sentences. Responsibility can be for adding (carbon dioxide).Logical formLearned from11 sentences. (Carbon dioxide emissions) can be from (road transport).Logical formLearned from11 sentences. (Carbon dioxide polluters) may pertain-to the world.Logical formLearned from11 sentences.