Tagged: Series: Megafires

Wildfires continue to rage across parts of Northern California and Washington, producing images that look familiar to many in Colorado.

First of a five-part series

The history of fire in the American Southwest is buried in a catacomb of rooms under the bleachers of the football stadium at the University of Arizona.

Here rules professor Thomas Swetnam, tree ring expert. You want to read a tree ring? You go to Tom. He's a big, burly guy with a beard and a true love for trees.