We hear a lot about the ravages of wildfires on vast swaths of land in the West, of the destruction it can cause to communities, the high cost of fighting it. So it can be hard to see why the Forest Service starts fires.
There s just too much at risk : Arizona closes parks to prevent extreme wildfires | Arizona theguardian.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theguardian.com Daily Mail and Mail on Sunday newspapers.