American grand strategy should draw inspiration from the principles of the post-war order. The United States should work to advance an open world. 

A Global Pact for the Environment would lend coherence to international environmental law, give greater legal and political heft to existing environmental covenants, and safeguard the imperiled biosp…

The liberal international order has had its fair share of shortcomings, but the peace and prosperity it has engendered are not fictitious.

Geoengineering is moving from the radical fringe to the center of global public policy, yet a multilateral governance framework for large-scale environmental manipulation remains lacking. 

In an op-ed recently published in the Hill, I write about how Trump’s abdication of American leadership has rendered the G7’s formal summit agenda irrelevant. The gathering of the G7 members in Qu…