Play the video above to see these stories on AZ Illustrated Nature for Wednesday, May 8:

HORSESHOE 2 FIRE REVISITED: A report from the Cochise County town of Portal, in the midst of the 200,000-acre devastation that was the Horseshoe 2 fire in 2011. Tony Paniagua and video crew Bob Lindberg and J Blain tell the story.

FIRE EXPERT Don Falk of the University of Arizona's School of Natural Resources and the Environment returns to discuss wildfires, fire history and post-fire restoration. Georgia Davis interviews him.

PRISTINE ALTAR VALLEY is a vast stretch of 600,000 Sonoran Desert acres from southwest of Tucson to the Mexican border. A conservation group made up of ranchers, environmentalists and others is working to preserve the rural lifestyle and ecology. Georgia Davis interviews Sarah King and Thomas Sheridan, both of the Altar Valley Conservation Alliance.

'DESERT DREAMS' is a new documentary film covering the five seasons of the Sonoran Desert. Georgia Davis speaks with filmmaker and scientist Tom Wiewandt; Marcia Ring, director of marketing and communications at Tohono Chul Park; and John Hadwin, the film's editor.