SINGAPORE (NYTIMES) - The temperature had reached 30 deg C and was climbing. Humidity measured in at 75 per cent. Sunshine glinted off the tall buildings.
Fourteen volunteers, six climate researchers and a mobile biometeorological cart named Smarty prepared to set off for a "heat walk" in the South-east Asian city-state's downtown area. The volunteers had strapped on devices to measure their heart rates and the temperature of their skin. Lead researcher Winston Chow watched the scene as a sliver of sweat formed on his forehead.
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