Since 20 years of talks have not resolved the differences, we may need a new paradigm New data, based on national communications, released by the United Nations, shows that emissions from the US rose over 15% during 1990-2008, and will rise another 7% till 2020. The strategic issue for us now is to consider whether a new paradigm will be necessary to ensure global sustainability. Copenhagen represents a watershed in the evolution of the climate regime by de facto shifting the emphasis from historical responsibilities to respective capabilities as the driver for international cooperation. Even though there is a commitment to extend the Kyoto Protocol into a second period from 2013 with deeper emission cuts from developed countries, the EU is undecided and the US favours each country setting its own targets for emission cuts, but has not ruled out an international agreement if all major economies, including China, now the world