An aerial drone display by approximately 500 drones hovers over the Garonne River in Bordeaux, France on June 23, 2023. Some U.S. cities are planning their own drone shows as an alternative to Fourth of July fireworks. Romain Perrocheau/AFP via Getty Images hide caption
Firefighters put out hot spots near South Lake Tahoe, Calif., on Wednesday. Authorities are reporting progress in the battle to save communities on the south end of Lake Tahoe from a huge forest fire. Jae C. Hong/AP hide caption
A peak is shrouded in smoke from regional wildfires on July 14, at Grand Teton National Park, south of Yellowstone. Natalie Behring/Getty Images hide caption
A thick haze hangs over Manhattan on Tuesday. Wildfires in the West, including the Bootleg Fire in Oregon, are creating hazy skies and poor air quality as far away as the East Coast. Julie Jacobson/AP hide caption
Hurricane Irma damaged homes in the Florida Keys in 2017. A new study finds buildings in the contiguous U.S. are concentrated in disaster-prone areas. Matt McClain/AP hide caption
An air tanker drops retardant as the Lake Fire burns in the Angeles National Forest north of Santa Clarita, Calif., on Thursday. Noah Berger/AP hide caption
Smoke rises from a tree next to a fire-ravaged house in Australia's New South Wales on Monday. Reserve troops were deployed to parts of three Australian states after fires worsened over the weekend. Saeed Khan/AFP via Getty Images hide caption
A thick layer of smoke from the Carr Fire settles over California's Central Valley in a view from a jet earlier this summer. Fine particulate matter from drifting wildfire smoke mixes with industrial ozone and can become trapped between the mountain ranges. George Rose/Getty Images hide caption
Firefighters monitor a back fire as they battle the Mendocino Complex Fire on Tuesday near Lodoga, Calif. Justin Sullivan/Getty Images hide caption
A firefighter gathers water from a pool while battling the Ranch Fire near Clearlake Oaks, Calif., on Saturday. Noah Berger/AFP/Getty Images hide caption
Wildfires left behind burned-out shells of homes in the village of Mati, near Athens. Greek Red Cross workers discovered 26 bodies in the devastated resort village. Savvas Karmaniolas/AFP/Getty Images hide caption