Firefighters had the difficult task of keeping two looming dangers at bay: large-scale wildfires and a highly-transmittable virus.
Wildfires in the West will have an enormous financial toll, but they are part of a more worrying trend of huge financial losses tied to extreme weather events caused by climate change.
Both presidential nominees spoke about the environment as wildfires burn throughout the West Coast. Only Biden has released a plan to fight climate change.
Arizona has experienced record wildfires this year, with blazes lasting longer than normal into the summer due to a lackluster monsoon season.
Wildfire smoke isn't just bad for the environment — it also carries fine particles that cause respiratory and other health problems.