还减少了开车上班的需要，降低了二氧化碳的释放。
They also reduce the need for driving to work and the resulting carbon dioxide emissions.
楼宇的耗电占我们能源消费的40%，节能楼宇的推广将使我们二氧化碳的释放减少三分之一。
Buildings consume 40 percent of the energy we use, and a transition to energy efficient buildings will cut our carbon emissions by one-third.
过去十年的改变使得1700万公顷的森林得以从退化中保存下来，防止排放量为12亿吨的二氧化碳的释放。
The change over the last decade has seen 17m hectares of forest saved from degradation, preventing the release of 1.2bn tonnes of CO2 emissions.
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