当今世界低碳问题既是政治问题也是经济问题,我国政府于2009年11月25日决定到2020年,单位GDP二氧化碳排放量比2005年减少40%-45%。低碳经济时代的到来不仅将改变能源结构,产业结构,更重要的是将改变我们的生活方式和行为理念。一般认为温室气体问题和 The low-carbon issue in the world today is both a political issue and an economic one. My government decided on November 25, 2009 that by 2020, carbon dioxide emissions per unit of GDP will be 40% -45% lower than in 2005. The arrival of an era of low-carbon economy will not only change the energy structure and industrial structure, but more importantly, it will change our life style and behavior concept. Greenhouse gases are generally considered to be problems