Wildfire global map from NASA Earth Observatory
Wildfires have become one of the biggest threats to the environment on all continents. There are approximately 100 fires in a 1,000-square-kilometer area per day, worldwide. Economic costs of wildfires estimated $11.5 billion in Canada and $125 billion in US annually this includes Direct firefighting costs of $.5 – 1 billion annually in Canada and 3 – 4.5 billion annually in US. Costs are calculated based on revenue, business and property losses, human suffering, wildlife loss, rehabilitation, cleanup and rebuilding costs.