England’s ambulances hit record demand in June.

Elderly, cardiac and renal patients bore the sharpest rise in emergencies.

Human thermoregulation fails abruptly past a threshold, turning a few extra degrees into a step change in emergency calls.

Wales’s ambulance service still hasn’t released comparable data from the same heatwave.

How each outlet framed it
Carbon Brief leans critical
uses FOI data to quantify June heatwave ambulance demand exceeding pandemic peaks and traditional winter season in multiple services

Sources: Carbon Brief