Wildfires in Oklahoma and Texas race across dry terrain, forcing evacuations as officials warn of critical fire weather. | USA TODAY

As wildfires continue to rage in North America, the Dixie Fire became the second largest fire in California history. The fire has burned more than half a million acres, filling the air as far as Denver and Salt Lake City with smoke. And that’s just one of 108 large fires that have burned more than 2.4 million acres in 15 states, according to the National Interagency Fire Center. Meanwhile, by August 6, 2021, thick smoke from the hundreds of wildfires burning in Siberia had reached parts of Mongo