But slower population growth can not only lessen vulnerability to climate change impacts, it also has the potential to significantly reduce future greenhouse gas emissions.

但是减缓人口增长不但能减轻气候变化影响的严重性，也具有显著减少未来温室气体排放的潜力。

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Under EU law carmakers have until 2020 to reduce CO2 emissions significantly.

欧盟的法律规定在2020年汽车制造商必须大幅度削减二氧化碳排放。

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Commissioned in wake of the Climate Energy Plan of Paris, the aptly named Smart City aims to significantly reduce greenhouse gas emissions by 2050.

继巴黎的气候能源计划之后，名为“智能城市”的计划也将启动，该计划希望到2050年能够实现温室气体排放量显著降低的目标。

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Because 90% of the electricity consumed in Stockholm is supplied by hydro and nuclear plants, there is the potential to significantly reduce emissions by electrifying the transport sector.

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Going forward, we're going to have to build on the momentum that we've established here in Copenhagen to ensure that international action to significantly reduce emissions is sustained and sufficient over time.

WHITEHOUSE: President Obama at Copenhagen Climate Change Conference

Since power plants that burn natural gas emit about half the amount of the greenhouse gases as coal-fired power, some say that the gas drilling boom has helped the U.S. become the only major industrialized country to significantly reduce greenhouse emissions.

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