最佳答案:educe the emission of CO2 .
最佳答案:(to) reduce the carbon dioxide emmission to the atmosphereor(to) reduce the carb
最佳答案:Petrochemical industry is one of the heaviest carbon dioxide emitters
最佳答案:Human energy consumption, emissions of carbon dioxide too much
最佳答案:About the global warming problem, the most important thing is to reduce the carb