Russia’s invasion of Ukraine violates the UN Charter and cannot be justified under international law as an act of self-defense or humanitarian intervention.

Countries will collectively need to spend trillions of dollars to reach their decarbonization goals and protect the most vulnerable nations from climate disasters, but experts say current funding lev…

Pakistan’s government and military generally favored a Taliban victory in Afghanistan. But maintaining support for the Taliban is risky.

Next week Donald J. Trump returns to the United Nations for the annual opening of the UN General Assembly. While Trump exceeded expectations during his first UN appearance last year, he will face mor…