Retrofitting homes with fire-resistant materials can improve the chances they survive wildfires. Here, a home is destroyed after the Creek Fire swept through the area near Shaver Lake, Calif.

SHAVER LAKE, CA – SEPTEMBER 8: A home is completely destroyed after the Creek Fire swept through the area on September 8, 2020 near Shaver Lake, California. California Gov. Gavin Newsom has declared a state of emergency in five California counties after record heatwave temperatures fueled numerous wildfires over the Labor Day weekend. The state of emergency applies to Fresno, Madera and Mariposa, San Bernardino and San Diego counties. (Photo by David McNew/Getty Images)