Megadroughts are on the rise worldwide

One of the most extreme megadroughts has helped fuel California’s wildfires

Dry, cracked earth rings a depleted reservoir in California after many years of drought.

Prolonged droughts have become longer, more intense and more frequent in the last 30 years. A megadrought in southwestern North America, which affected California’s Nicasio Reservoir, (shown in 2021) topped the list of the 10 most severe events in that period.

Justin Sullivan/Getty Images

Megadroughts are increasing worldwide — and they’re also becoming both hotter and drier.