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

President Donald J. Trump’s actions have often been rash, ignorant, and chaotic. Yet some of his individual foreign policies are substantially better than his opponents assert.

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 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…

Overview Nuclear technology has long been recognized as capable of both tremendous benefits and tremendous destruction. With this in mind, countries have devised international arrangements intende…