ClimateProgress: Wildfires in the U.S. will be at least twice as destructive by 2050, burning around 20 million acres nationwide each year, according to a federal report released by the U.S. Department of Agriculture. Scientists from the U.S. Forest Service, who authored the report, found regions such as western Colorado - which already experienced its most destructive wildfire in history last summer - will face an even greater risk fire risk: those regions are expected to face up to a five-fold increase in acres...