The G20 summit comes amid tensions over trade, climate, and refugee policy and increased uncertainty over the U.S. commitment to multilateral institutions.

African governments have increasingly welcomed economic, diplomatic, and security ties with Russia—leading Western countries to denounce what they see as Moscow’s destabilizing influence and seek the…

The dollar’s role as the primary reserve currency for the global economy allows the United States to borrow money more easily and impose painful financial sanctions. Other countries are beginning to …

International efforts, such as the Paris Agreement, aim to reduce greenhouse gas emissions. But experts say countries aren’t doing enough to limit dangerous global warming.

The Association of Southeast Asian Nations is a regional organization that brings together disparate neighbors to address economic, security, and political issues, but the group’s impact remains limited.

Venezuela’s ongoing descent into economic and political chaos is a cautionary tale of the dangerous influence that resource wealth can have on developing countries.

Brazil has long sought a greater role on the world stage, but political upheaval and other enduring challenges have complicated its efforts.