New solar customers would face increase in electric bills under proposal.
New, Tucson Electric Power home solar customers who use net metering to save on their electric bills would get their savings cut by a $22-a-month average under a new TEP proposal.
Wildlife service had previously disclosed its presence without providing specifics.
A wobbly global industry facing lower prices again, economists say.
The picture is bleak for federal oversight of the U.S. government’s war on terror and for the news media that’s supposed to watchdog it, says a two-time Pulitzer Prize winner who barely escaped a federal subpoena seeking to reveal his confidential sources.
Jim Harrison remembers Charles Bowden.
"Chuck Bowden's Southwest" is the theme of an upcoming book festival panel.
Neighbors are hopeful about landfill remediation, but wary.
The region’s weak economy is playing a role, UA expert says.
Tucson residents will get a chance to question experts on climate issues.
A group of Tucson residents will get a chance to question water and climate experts and hunt for solutions to the region's water problems at a weekend workshop.
• A Page A2 story on Feb. 12, “National Forest supervisor is leaving but won’t abandon the Rosemont issue,” inaccurately reported an endangered ocelot’s location in relation to the proposed mine site. The ocelot has been photographed by a federally financed, University of Arizona-led researc…
Pinto Valley Mine has had more than 400 such citations since 2010.
Future dry spell could last for 50 years, affect Plains, too.
Our rainfall's been way above average, but Upper Basin snowpack is lagging.
Here are some questions and answers about the new study predicting the worst drought in 1,000 years in the Southwest by the end of the 21st century.
If you're still alive in Tucson through 2050 and beyond, you may well experience the longest, driest drought the Southwest has experienced in at least 1,000 years.
But Upchurch says he isn't running away from the Rosemont Mine issue.
Coronado National Forest Supervisor Jim Upchurch, whose name has become almost synonymous with the protracted Rosemont Mine controversy, is leaving his job in two months for a higher-level post in Albuquerque.
A little more than a month after the deed came down, a DNA analysis has confirmed that the gray wolf killed in Utah was indeed Echo, the same wolf that was seen, photographed and tracked near the Grand Canyon last fall, the U.S. Fish and Wildlife Service reported Wednesday.
My Sunday story about residents near the Coachline Road gravel pit-turned lake complaining about flood risks, bugs and odors prompted a rebuttal. It came in the form of an email whose author, Ray Templin, who described himself as a resident of that area since 2006 and who said he doesn't thi…
But not in the Colorado River's Upper Basin, which directly provides or is credited for 87 percent of Tucson's drinking water supply.
LA's lawns and gardens may be a little less lush
But as the Santa Cruz changes course again, "Lake Marana" is draining.
One city contractor halts clearing of traffic circles "until further notice."
State certifies that it expects the mine won't violate surface water quality standards.
Regulators certify that the proposed mine won't violate water quality standards.
For years, Dunbar Spring residents living northwest of Downtown say, they've planted and nurtured native trees and shrubs in traffic circles and islands on their streets.
While the debate over rainwater harvesting in Tucson goes on and on, drought-stricken Los Angeles is considering a stormwater capture plan far more ambitious than anything being looked at here.
The earth's crust is rising faster in central Iceland each year, thanks to the accelerated retreat of melting glaciers from global warming, says a new study led by University of Arizona researchers.
More volcanoes could occur if ice keeps melting and ground keeps rising.
Where golfers once tossed discs into baskets, the Santa Cruz River now flows.
Report is blasted by the mining company but generally praised by Patagonia town manager.
Wyoming says procedure can increase snowfall by 5 to 15 percent.
Neighbors aren't happy with Materion's plan to replace outside air monitoring network.
But environmentalists and ranchers aren't happy with the new federal guidelines.
Court hearing over permit issued by ADEQ to allow mine to operate.
Four of six warmest years on record have occurred since 2009.
No climate scientist worth his acidifying sea salt will speculate on whether one year of record warm weather is due to global warming or other forces of human-caused climate change.
While the first shortage of the Central Arizona Project has been delayed a couple of years by a groundbreaking, three-state water conservation agreement, New Mexico's San Juan-Chama water diversion project, which serves farmers and the city of Albuquerque, wasn't so lucky.
Levels were "way above any standards," says Geological Survey hydrologist.
In today's Star, I have an article looking at some of the real and potential environmental impacts of the recent implosion in gasoline prices in Tucson, all of Arizona and across the U.S.: more driving, more SUV sales and more suburban sprawl.
Early hints at potential environmental drawbacks are appearing.
Levels of iron that created orange runoff from two old Patagonia-area mines this fall (September-October 2014) were very high, "way above any standards," says a federal scientist.
One of the more remarkable accomplishments in the new three-state water agreement to backstop the declining Lake Mead was California's very presence in the negotations.
But agreement delays CAP shortages by just a couple of years.
Vegetation greened up from Mexican border down to the Sea of Cortez.
A burst of new water this spring transformed the Colorado River Delta from a mud flat into a burgeoning green belt, photos and satellite images show.
Still uncertain why they are here, if climate change is a factor.
Neighbors near closed ranch are drawing from steadily declining private wells.