Pakistan hit 49°C in May: parts of the world are dangerously approaching the human physiological limit

Pakistan and India are facing an extreme heatwave, with temperatures near 49°C in parts of Pakistan and severe heat alerts across both countries.

The most dangerous conditions come from the combination of heat and humidity, especially in Kolkata and the Indo-Gangetic plains, where the body struggles to cool itself.

The episode highlights how climate change is making potentially lethal heat more frequent and intense, especially in humid regions near human physiological limits.