TUCSON – The tree ring lab at the University of Arizona recently looked at tree rings to make conclusions about shifts in the tropical belt for 800 years.
BOISE, Idaho – Some insurance companies are including private firefighting as part of coverage.
LOS ANGELES – California's building codes are not keeping up with the severe, wind-driven wildfires that are becoming the norm.
PHOENIX – Phoenix now offers light-recycling services. Residents can drop off lights at one of two transfer stations, starting the day after Christmas.
FLAGSTAFF – Native voices are being heard as Grand Canyon National Park gets ready to celebrate its centennial next year. Park officials are converting the Desert View overlook and watchtower into a cultural site featuring tribes who have called the canyon home for hundreds of years.
PHOENIX – Not everyone feels welcome on hiking trails, for all sorts of reasons. Sometimes it’s about physical ability. Sometimes it’s about transportation. And sometimes it’s about the color of your skin.
PHOENIX – People with disabilities are finding allies and new ways to get outdoors. One of those allies is Ability360 of Arizona, which works to give people with different abilities the chance to live independently.
PHOENIX – More women are getting outdoors to hike and camp, but not with a group and not with a man. They’re striking out alone. We talk to three of them.
PHOENIX – How did the mountains surrounding the Phoenix area form? Some blocks rose to become mountains while others dropped to form valleys. This was the birth of the undulating basin and range system that today wraps around the Colorado Plateau.
PHOENIX – The governors of Arizona, New Mexico and Sonora, Mexico, have agreed to a four-year pact to promote the production and transmission of natural gas produced in New Mexico. The gas is to be piped through Arizona to Sonoran ports on the Sea of Cortez, where it will be processed and sent to Asia.
WASHINGTON - After six years as the ranking Democrat on the House Naturall Resources Committee, Rep. Raul Grijalva, D-Tucson, is in line to be its next chairman and he's promising vigorous oversight of the department whose secretary, Ryan Zinke, resigned before Democrats could take over.
PHOENIX – Americans are eating record amounts of beef, pork and chicken, despite campaigns to discourage consumption to reduce global greenhouse gas emissions. One way is to educate younger people, but getting humans to switch behaviors is difficult.