中国承诺遵守降低碳排放指标。
拥有一条狗狗确实是相当的奢侈，这主要是因为其消耗的肉类有较高的碳排放指标。
"Owning a dog really is quite an extravagance, mainly because of the carbon footprint of meat," Vale told New Scientist magazine.
摘要：对夏热冬暖地区某居住建筑的生命周期碳排放量进行计算，并分析建筑生命周期内碳排放指标的特征。
Abstract: This paper calculates the life cycle carbon emissions of a residential building in hot summer and warm winter area, and analyzes the building life cycle impact on carbon emissions targets.
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