Comparative assessment and essential analysis on new international GHG emission reduction proposals

Since Kyoto Protocol came into force on February 16,2005,the endeavor by international society to combat the climate change has stepped into a new milestone.The greenhouse gas (GHG) abatement mechanisms in Kyoto Protocol have served a remarkable functian but also been questioned during the practices of past three years about its environmental effectiveness.A lot of new international GHG emission reduction proposals are proposed from many new aspects,some of which especially impose pressure on developing countries.So it is of great importance to research on these new proposals in time for negotiation beyond Kyoto and institution of Chinese relevant climate polieies.As this paper focuses on the way of commitment distribution of mechanisms,the mechanisms here are categorized in one of two types:those distribute commitment based on countries and those based on sectors.Some of the typical mechanisms are selected to be analyzed comparatively,especially about their influence on developing countries.