Heat Exposure and Economic Data (image) United Nations University - International Institute for Global Health Share Print E-Mail Caption Productivity lost to heat stress in South-East Asia alone is as much as 15 to 20 percent of annual work hours already, a figure that may double by 2050 as the planet continues warming. This table shows the estimated economic cost of heat stress in member and observer states of the Climate Vulnerable Forum. Credit Asia Pacific Journal of Public Health Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.