China Daily: The clean development mechanism (CDM) should continue to be implemented even after 2012, when the Kyoto Protocol expires, says a white paper on China’s policies on climate change. But the CDM, the carbon trading system established under the Kyoto Protocol, needs to be amended to encourage more technology transfer to developing countries, says the paper, issued by the State Council Information Office Wednesday. “China will continue to play an active and constructive role at UN …