The waters of Quitobaquito in southern Arizona have attracted diverse visitors for thousands of years.
Border wall construction through Organ Pipe Cactus National Monument in Arizona is encroaching on a site where people from many cultures have interacted for thousands of years.
The white “bathtub ring” around Arizona’s Lake Mead (shown on May 31, 2018), which indicates falling water levels, is about 140 feet high.
AP Photo/Ross D. Franklin
Western states adopted a 7-year plan in May 2019 to manage low water levels in the Colorado River. Now they need to look farther ahead and accept that there will be less water far into the future.
New Mexico Gov. Michelle Lujan Grisham has ordered state agencies to reduce greenhouse gas emissions.
AP Photo/Morgan Lee
States are folding the social and economic costs of burning fossil fuels into their electricity policies, giving utilities a financial incentive to reduce greenhouse emissions.
The Mohave rattlesnake — poster child for venom variation among rattlesnakes.
The Mohave rattlesnake is famous for its variable venom – but the reasons behind that variation are not as straightforward as we thought.
An envelope containing a 2018 census letter mailed to a U.S. resident as part of the nation’s only test run of the 2020 census.
AP Photo/Michelle R. Smith
If undocumented immigrants choose not to fill out the questionnaire, then the official population of several states would deflate, costing them House seats and federal funding.
Dawn on the south rim of the Grand Canyon.
The Grand Canyon, which marks 100 years as a national park on Feb. 26, 2019, is known today as an iconic natural wonder. But early European visitors weren't impressed.
Voters in Nevada voted to boost their state’s renewable energy target.
AP Photo/Chris Carlson
But many new governors and members of Congress intend to take action on climate change.
Democrat Kyrsten Sinema (left) and Republican Martha McSally are competing to fill the seat of retiring Sen. Jeff Flake.
AP Photo/Matt York
Two accomplished women are running against each other to replace Sen. Jeff Flake.
An aerial view of Seligman, Arizona, looking west, dated March 12, 1971. Route 66 bisects the town.
James R. Powell Route 66 Collection/Newberry Library
'The Mother Road' is one step closer to becoming a National Historic Trail, which would allocate funds for struggling towns along the original Route 66.
Thunderstorm in New Mexico.
Climate change can not be managed from a global perspective alone.
A few more trees and a little less aircon and we’d all be in clover.
My Life Graphic
Cities may only occupy about 2% of the world’s habitable land, but they are big drivers of global climate change. Cities are usually hotter than rural areas, and get referred to in the jargon as “urban…
How can parents who no longer live together continue to raise their children?
The November 2014 elections included a North Dakota voter initiative emblematic of the vigorous debate taking place nationwide about child custody. The “Parental Rights Initiative” required courts to award…
What if an experimental treatment seems to hold a terminal patient’s only hope?
Pill bottle image via www.shutterstock.com
On November 4, the state of Arizona will decide whether to join Colorado, Missouri, Louisiana and Michigan in passing so-called right to try laws. If passed, the “Arizona Terminal Patients’ Right To Try…
Does this look like a conservative city to you?
Mesa, Arizona: a place with wide streets and narrow minds. Or so goes a once popular saying about this traditionally laid-back, conservative community that came into official existence in 1883 as a Mormon…