For about 60 years, Smokey Bear has warned the American public that fire is bad. But scientists say it's time to stop attributing human values to wildfire. Here are some of the interesting facts researchers have found out in the 70 years since the Forest Service began its aggressive fire control program:
Many fires do not kill trees.
Many fires kill trees we want killed.
Many fires help trees grow.
Many forests--and all their trees--are supposed to burn up every 100 ...