In this paper,a simple analysis is conducted for the purpose of addressing a simple but fundamental question,i.e.,does the world have the capability in sciences,economics and governance to deal with the global climate change today and what should we do? By pointing out that although understanding of multidimensionality and nonlinearity of global changes from both natural and social sciences has been advanced significantly,it is extremely difficult,if not impossible,to find a single solution for global climate change because of the multi-dimensionality of social components and the nonlinearity of natural elements inherent in the global climate systems.
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