On average, there were more human-caused wildfires (64,655) per year than lightning-caused wildfires (10,941) in the U.S. from 2001-2012. However, on average there were more acres burned by lightning-caused wildfires (4,291,391) than by human-caused wildfires (2,645,964).
On average, there were more human-caused wildfires (64,655) per year than lightning-caused wildfires (10,941) in the U.S. from 2001-2012. However, on average there were more acres burned by lightning-caused wildfires (4,291,391) than by human-caused wildfires (2,645,964).