Homes complicate Arizona wildfire response
Development in Arizona's wildlands is making fires more expensive, and in some cases, more difficult to prevent.
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.
Bighorn Fire marks familiar cycle of renewal amid new chapter of bigger burns
Fire is a natural process, but it will take decades for some areas to recover or regrow habitat that burned this year.
Much of US Southwest left parched after monsoon season
Weather forecasters say the upcoming winter likely won't make up for the precipitation deficit.
NPS closes route to Quitobaquito Springs
Closure comes a day after O'odham leaders held a cross-border ceremony at the spring.
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.
Stand off with Border Patrol, National Park Service ends in scuffle with Indigenous-led demonstrators
O'odham organizers and their supporters stopped construction for over five hours at Organ Pipe Cactus National Monument.
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.
'Hands tied behind our back': Protesters decry border wall construction at San Pedro River
A few dozen people gathered Friday to protest new border wall going up along Arizona's last free-flowing river.
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.
6 years after Rio Sonora mining spill, contamination continues
Residents impacted by the spill say neither the mining company nor the government have followed through with promises.
Tortoise regains some protections, as agency agrees to revisit endangered status
The action resulted from a lawsuit filed last year by conservation groups.
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.
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.
