California Has Biggest 2019 Wildfire as NASA Warns on Climate

California’s biggest wildfire of the year has already burned more than 50,000 acres of timber and grass as NASA scientists say climate change is making such blazes more likely and harder to stop.

It’s a sobering scenario for the U.S. state with the highest wildfire risk, where land damaged or destroyed by fire has expanded fivefold over the last four decades. Almost a half-million homes worth an estimated $268 billion are threatened, according to Zillow. At 78 square miles, the area being torched is about a quarter the size of New York City.

“We’re living in a warming and a ...