The U.S. Navy’s dominance of the world’s oceans has made it an indispensable foreign policy tool and a guarantor of global trade, but a mix of challenges is raising difficult questions about its futu…

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.

Economic development work is aimed at long-term change in the world’s poorest countries.

The Group of Seven (G7) has been a forum to coordinate global policy for fifty years, but experts are increasingly questioning the group’s relevance.

Both China and India aspire for the role, but it is not clear if nations that belong to the group see either of them as a benign leader or their champion