reduce carbon emission and save

reduce carbon emission and save carbon people all over the world must e______ the best ways possible to reduce carbon emissions. people all overthe the world must e__the best wys possible to reduce carbon emissions reduce 英语翻译Although 174 nations ratified the admittedly flawed Kyoto accords to reduce carbon levels,the US walked away from it. reduce on ,reduce carbon life carbon steel plain carbon carbon是什么意思 carbon offsetting sulfonated carbon Carbon dioxide Carbon 9 Carbon uptake carbon black carbon copy中的carbon是什么意思?