Even as Iraqi special forces and Shia militias roll back the self-proclaimed Islamic State, Baghdad has done little to address the underlying causes of Sunni militancy.

As countries prepare to sign the landmark Paris climate accord, the work to reduce global carbon emissions is only beginning, says CFR’s Michael Levi.

Libya’s UN-brokered unity agreement is fragile at best and could fracture in the event of a stepped-up Western intervention against Islamic State forces, says expert Mary Fitzgerald.

The United States and India should seize the chance to spur trade, security, and other ties and advance democratic values globally, says expert Joseph S. Nye Jr.

Mistrust between Western powers and Russia rivals the worst days of the Cold War, raising the dangerous prospect of escalating tensions between the two sides, says expert Dimitri Simes.