就其本身而言，动植物农业占该国温室气体排放总量的9%。
On its own, plant and animal agriculture contributes 9 percent of all the country's greenhouse gas emissions.
《京都议定书》为各国设定了不同的减排义务，规定各国应相应地减少各自的温室气体排放总量。
The Kyoto Protocol, which set different duties for all countries to cut emissions, states that different countries should reduce their collective greenhouse emissions accordingly.
他们的方法足够灵活，原则上可以纳入其他重要的生活质量变化，如减少污染物排放总量、降低犯罪率。
Their approach is flexible enough that in principle other important quality-of-life changes could be incorporated—for example, decreases in total emissions of pollutants and declines in crime rates.
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