https://e.vnexpress.net/news/news/environment/in-vietnam-s-largest-cities-outdoor-workers-lose-2-4-hours-of-work-per-day-due-to-extreme-heat-study-5088431.html">
https://vcdn1-english.vnecdn.net/2026/06/22/233a2664-1782111958-4157-1782111967.jpg?w=900&h=0&q=100&dpr=1&fit=crop&s=cyHvesN9ItD7JrW64dxHRA" />Outdoor workers in Hanoi and Ho Chi Minh City lose an average of 2.4 working hours per day during heatwaves, a downtime that reduces their daily income at the time they need to increase living costs to adapt to rising temperatures, according to a study.