A data center project under construction in Johor Darul Takzim, Malaysia on Oct. 20, 2026. War, artificial intelligence and the Trump era have overshadowed climate change. But officials from nearly every nation are meeting to confront global warming. (Ulet Ifansasti/The New York Times) By LISA FRIEDMAN The war in Iran has been very good for renewable energy. More than 40 countries have started or accelerated projects involving wind, solar, electric and other low carbon technologies. South…