State shares framework for new surface water quality protections
The Arizona Department of Environmental Quality is working on regulations to fill the gap left by changes to the Clean Water Act.
DHS marks milestone as wall construction severs wildlife corridors
New border wall construction is nearly done in some of the most environmentally sensitive areas in Arizona.
As Western fires burn, focus narrows on forest management. But it’s easier said than done
Correcting the mistakes of the past is tougher than it sounds, as managers work to get ahead of coming wildfires and learn from previous ones.
In grasslands plagued by invasives and drought, wildfires fuel calls for new solutions
Invasive plants and climate change are changing the relationship between vast rangelands, drought and wildfire.
For the West’s drinking water, wildfire concerns linger long after smoke clears
For municipal drinking water systems, fires are felt for years after they’re snuffed out.
Latest lawsuit against Fort Huachuca over San Pedro water use seeks documents
A conservation group has again sued over what it says is a failure to protect the river and its dependent species.
O'odham-led demonstration blocks highway north of Arizona-Sonora border crossing
Demonstrations against border wall construction on ancestral Indigenous land continue despite Quitobaquito closure.
After Clean Water Act change, uncertainty reigns over water protections
The Trump administration's revision of which waterways are protected creates regulatory uncertainty, especially in arid places.
Climate change likely to keep hammering Colorado River's biggest reservoirs, model shows
Projections show an increasing likelihood of official shortage declaration before 2026.
Indigenous activists arrested in demonstration against border wall construction near Quitobaquito Springs
Two O'odham protesters were arrested for impeding construction in Organ Pipe Cactus National Monument.
Border wall groundwater pumping threatens to push endangered species to 'brink of extinction'
U.S. Fish and Wildlife Service officials worry water pumping will deplete the San Bernardino Valley springs and aquifer.
Border wall construction heightens environmental concerns in sensitive habitats
Local residents, a sheriff and a wildlife expert weigh in on the impacts of physical barriers at the southern border.
In Colorado, your stool is a tool in the fight against coronavirus
To track the next coronavirus outbreak, Western states look to the sewers.
Scientists: Border wall construction wreaking havoc at Quitobaquito Springs
More than two dozen ecologists, biologists and hydrologists say the desert oasis is in worse shape than ever.
Selling Water
Should Colorado River water be used to grow alfalfa or subdivisions in the Phoenix metropolitan area?
