This article introduces a special issue on the expanding research agenda on institutional fragmentation. The term refers to the growing diversity and challenges to coordination among private and public norms, treaties, and organizations that address a given issue area of international politics....

Most research on global governance has focused either on theoretical accounts of the overall phenomenon or on empirical studies of distinct institutions that serve to solve particular governance challenges. In this article we analyze instead "governance architectures," defined as the overarching...

The debate about post-2012 global climate governance has been framed largely by proponents and opponents of the policymaking process established by the United Nations Framework Convention on Climate Change (UNFCCC). In light of the proliferation of institutions governing some aspects of climate...

This Policy Brief focuses on three issues that are especially important in the long-term development of the climate regime: (a) the challenge of the fragmentation of negotiations and governance systems; (b) the challenge of steering and evaluating novel types of privatised and market-based...

This report investigates the implications of regionalism for the interaction between trade and climate policy. It examines the implications of regional climate governance for international trade and conversely the implications of regional trade governance for climate change action. Regional...