Queen Elizabeth II is the monarch of fourteen countries in addition to the United Kingdom. Barbados’s transition to a republic has revived debate over the future of the Crown.

Russia’s aggression against Ukraine has brought European dependence on Russian energy into sharp relief and set off a scramble for alternatives.

The victory of pro-independence parties in Scotland’s elections means that another referendum is on the agenda. What’s at stake, and what comes next?

To combat climate change, governments and institutions should increase their funding to poorer nations to pay for adaptation and mitigation measures.

The succession from Queen Elizabeth II to Charles could accelerate anti-monarchy movements in countries where the Crown is still head of state.