Agreements might not yet be brewing amongst negotiators at United Nations climate talks, but tea certainly is. It’s one of the clearest reminders that the climate summit—COP29—is hosted by Azerbaijan.

Mexican President Claudia Sheinbaum will attend the summit, which might provide her first chance for an in-person meeting ...

Diplomatic tensions over global warming will take center stage at the G20 summit in Brazil this week, as negotiators at U.N. talks in Azerbaijan hit an impasse on climate finance that they hope ...