One of the fastest-warming regions of the U.S. is the Southwest — and that region, plus the broader West, is stuck in its most expansive and intense drought of the 21st century.
Why it matters: Studies show that a warming climate is exacerbating the drought, and in some ways may be triggering it in the first place. That means the Southwest is drying out — and California's large wildfires could start as soon as next month.
