P.J. Simmons is co-editor with Chantal de Jonge Ourdraat of Managing Global Issues, published by the Carnegie Endowment for International Peace.

With the coming of the 21st century, our world faces a vast array of new and complex challenges. Among them—the environment, health, security, terrorism—is a common thread. All have global dimensions that require a new collective approach to problem solving. P.J. Simmons outlines what needs to be done to achieve meaningful global cooperation that will help address these issues.