The EU Carbon Emissions Trading Scheme (EU ETS) is the pillar for EU policy framework in responding to climate changes. The experimental operation of the System from 2005—2007 laid a foundation for the EU to implement Kyoto Protocol,to employ gross trade mechanism to promote greenhouse gas emission reduction,and to seek the development pattern of low carbon economy. It is necessary for China to learn from the basic concepts and implementation experience of the EU in making trading schemes,to change the thou...