Developing Asia is the driver of today's emissions intensive global economy. As the principle source of future emissions, the region is critical to the task of global climate change mitigation. Reflecting this global reality and a range of related domestic issues, the governments of the People's Republic of China, India, Indonesia, Thailand, and Viet Nam have embarked upon an ambitious policy agenda. This report reviews the present and future policy settings for climate change mitigation and green growth in Asia's major emerging economies.