减少尾气排放最好的方式是降低生育—但是你不会在坎昆看见这样的标语，或者是政策。
The best way to cut emissions is to have fewer babies – but you won't find it in the Cancún bulletin, or any politician's vision
北京已经开始强制实施——虽然远远未能达标——目标为提高能源利用率和减少尾气排放。
Beijing has tried to enforce ambitious - though so far unmet - targets to improve energy efficiency and reduce emissions.
通过最小化交通拥挤，这种方法可以节省金钱，减少尾气排放，甚至可以完全消除沮丧的驾驶者们的怒气。
By minimizing congestion, the approach could save money, reduce emissions and perhaps even quash the road rage of frustrated drivers.
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