Reflecting sunlight should be considered a potential stopgap for rising global temperatures, argues Stewart M. Patrick.

Venezuela represents the Western Hemisphere’s largest humanitarian crisis. Paul J. Angelo outlines what the United States can do to help alleviate the suffering of the Venezuelan people.

Overview The number of UN peacekeepers is at a record high, with nearly 110,000 uniformed deployed "blue helmets" worldwide, most of them in Africa. But the status quo is "untenable," warns Paul D…

Overview The unipolar moment, to the extent it ever existed, has now truly passed. The United States is part of a globalized world, in which the flows of goods, finance, people, and much more conn…

Overview The UN Security Council remains an important source of legitimacy for international action. Yet despite dramatic changes in the international system over the past forty-five years, the co…