Houston firefighters learn to use a video chat program that will let them consult with an emergency medicine doctor while responding to 911 calls. Courtesy of Houston Fire Department hide caption

itoggle caption Courtesy of Houston Fire Department

Emir Dunn, an inmate firefighter stationed at the Chamberlain Creek Conservation fire camp in California, at work on a fire. About 4,000 inmate firefighters battle blazes across the state. Adam Grossberg/KQED hide caption

itoggle caption Adam Grossberg/KQED

Crews work a controlled burn in Geneva, Fla., in December. The state's forest service has rolled out a system to track equipment during fires, and hopes it can eventually be used to pinpoint firefighters, too. Joshua C. Cruey/Courtesy of the Orlando Sentinel hide caption

itoggle caption Joshua C. Cruey/Courtesy of the Orlando Sentinel

Former Granite Mountain Hotshot firefighters walk past ceremonial firefighter boots and gear during a memorial honoring 19 fallen firefighters in Prescott Valley, Ariz., on Tuesday. Pool/Getty Images hide caption

itoggle caption Pool/Getty Images