Fire Management Part 1 GREELEY, CO (KUNC) - The common assumption that preventing forest fires leads to a dangerous accumulation of fuel is challenged from new scientific evidence. Scientists assert that thinning forests to reduce fire risk may not be effective for some forests but that seems to be the way a lot of forests are being treated. In the first of a two part series on fire management, KUNC's Kerry Grens has more © Copyright 2009, KUNC