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0引言为应对气候变化,减缓温室气体排放,2009年中国政府提出具体的温室气体减排目标,到2020年单位国内生产总值(GDP)二氧化碳排放(以下简称“碳强度”)比2005年下降40%~45%。2011年国务院发布的《“十二五”控制温室气体排放方案》将碳强度指标作为约束性目标纳入国民经济和社会发展规划。国家给广东省下达的“十二五”节能减排任务是单位GDP能耗下降18%,单位GDP碳排放下降19.5%[1],
0 Introduction In response to climate change and mitigation of greenhouse gas emissions, the Chinese government set forth a specific target of reducing greenhouse gas emissions by 2009. By 2020, the unit of gross domestic product (GDP) carbon dioxide emissions (hereinafter referred to as carbon intensity) Down 40% to 45%. In 2011, the State Council released the Twelfth Five-Year Plan for Controlling Greenhouse Gas Emissions released by the State Council to include carbon intensity targets as a binding target in the national economic and social development planning. The task assigned to energy saving and emission reduction issued by the state to Guangdong Province is that energy consumption per unit of GDP has dropped by 18% and carbon emissions per unit of GDP have dropped by 19.5% [1]