Rapid urbanization is transforming the developing world, but the political consequences of this transformation are not well understood. In this paper, we argue that political contention and mobilization in the urban environment differs from other forms of political activity in its scale, speed,...

A recent Climatic Change review article reports a remarkable convergence of scientific evidence for a link between climatic events and violent intergroup conflict, thus departing markedly from other contemporary assessments of the empirical literature. This commentary revisits the review in...

Much of the recent literature on civil war treats explanations rooted in political and economic grievances with considerable suspicion, and many empirical studies conclude that there is no relationship between ethnic diversity or measures of inequality and political violence to support such...

This article focuses on one of the most likely empirical manifestations of the “environment-conflict” claim by examining how demand for and supply of water may lead to domestic water conflict. It also studies what factors may reduce the risk of conflict and, hence, induce cooperation. To...