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...

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...

"Fossil fuel subsidies strain public budgets, and contribute to climate change and local air pollution. Despite widespread agreement among experts about the benefits of reforming fossil fuel subsidies, repeated international commitments to eliminate them, and valiant efforts by some countries to...