Heat waves have posed health risks for workers this summer. But how many degrees the temperature swings within a day – the daily temperature variation – also brings health risks. (Photo by John ...
Low-income neighborhoods with lots of concrete and few trees can heat up faster than surrounding areas. AP Photo/Richard Vogel This summer has shown how quickly high temperatures can pose serious ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback