Environment & Climate When was the worst heat wave in history? March 6, 2026 by Tanp | Leave a Comment The worst heat wave in recorded history is a complex question, as "worst" can be defined by duration, intensity, or the number of fatalities. However, the 1936 North American heat wave stands out for its extreme temperatures and widespread impact, causing thousands of deaths and significant agricultural damage. Understanding "Worst" in Heat Wave Contexts Defining […] Read more ยป