The US is in a record-breaking heatwave, with tens of millions people on alert. A persistent heat dome is blanketing much of the midwest and spanning through the north-east. The phenomenon traps hot air and humidity, and exacerbates the “feels like” temperature to much higher than it actually is.
Health experts and climate scientists described the effects of extreme heat on the human body, which populations are most at risk and ways to mitigate it.
