Abstract
The question of legitimacy has become an important issue in the study of global governance and multilateralism. This paper argues that a comprehensive concept of legitimacy must include the concept of legitimacy of political science, law and sociology. As to global environmental governance , the concept of legitimacy in political science concerns democratic legitimacy in the progress of governance, which complements the emp hasis on experimental dimension of legitimacy concept of law and sociology1 Meanwhile political science concept of legitimacy lacks concern on the legal legitimacy and political community, which is complemented by t he legitimacy concept of
law and sociology. The legitimacy concept of law generally concerns about the legal legitimacy and ignores the ethics value behind these law rules which is complemented by the legitimacy concept of sociology Certainly , the legitimacy concept into which integrates all t hree dimensions still has some challenges which derive f rom the issue of political community of global environmental governance and the relationship between environmental governance and other global governance fields.
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