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Soaring Temperatures Will Make It Too Hot to Work, UN Warns
- Heat stress from climate change may cost $2 trillion by 2030
- Lowest polluting countries to take biggest hit from warming

Laborers sweat profusely during the summer heat in Dhaka, Bangladesh. As many as 43 countries, especially those in Asia, including China, Indonesia, and Malaysia, will experience declines in their economies because of heat stress.
Photographer: NurPhoto/Corbis via Getty Images