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气候变化与节能减排已经成为全球关注的热点问题。全球碳排放中有1/3来自建筑物的能源消耗。在发达国家,建筑能耗几乎占到能源排放的一半。在中国,这个比例正在逐年攀升,目前已占到总能耗的1/4。因此,建筑节能已成为节能减排中的一个重要环节。
Climate change and energy-saving emission reduction has become a hot issue of global concern. One-third of global carbon emissions come from building energy consumption. In developed countries, building energy consumption accounts for almost half of energy emissions. In China, this proportion is increasing year by year, now accounts for 1/4 of the total energy consumption. Therefore, building energy efficiency has become an important part of energy-saving emission reduction.