A 2026 University of Oxford study warns that Southeast Asian cities, including Ho Chi Minh City, Bangkok and Samut Prakan, face some of the world’s highest heat risks amid rising El Niño concerns. Several parts of the world face the risk of severe drought in 2026, as research warns that Thailand, Vietnam and other parts of Asean could be hit hard by El Niño, driven by hot and humid weather, rapid urban expansion and dense populations. The world …