Agency draws flak from environmentalists for its handling of Trench Mine runoff.
Monitoring program used to determine whether UA observatory harms the creatures’ population.
After 25 years running Trees for Tucson, Joan Lionetti honored with oak.
Some areas saw twice their rainfall average. Phoenix might be the biggest story.
Two Oracle-area couples claimed their properties were destroyed in a backburn during the Bullock Fire in 2002.
Critics say any mitigation deal could help the mine win approval.
The federal government formally announced Friday that it will restart reviews of the proposed Rosemont Mine’s impacts on eight endangered species including the ocelot.
The Redington Fire burning east of Tucson is now 80 percent contained and burned less acreage than initially estimated.
In a decision that both sides are spinning as a victory, the British Columbia Securities Commission says that under certain circumstances, it will put an end to Augusta Resource Corp.’s shareholder rights plan by mid-July.
Sabino Canyon, a spectacular slash in the Catalina Mountains northeast of Tucson, now attracts 1 million visitors a year — and federal officials say the canyon’s 21-year-old recreation plan is due for a makeover.
The stage is set for wildland fires, but they don't have to start, say land managers.
A deliberately set backfire, not the Bullock Fire, caused the damage in 2002, they contend
Today is the first day that critics and opponents of the proposed Rosemont Mine can write formal objections to the project to the U.S. Forest Service.
But first she wants to challenge them with some complex puzzles.
The Rosemont Mine could worsen air quality in Saguaro National Park, disturb cultural resources — including human burial sites — and reduce water flows into Davidson Canyon and Cienega Creek, said the U.S. Forest Service.
Bighorn sheep are roaming wild in the Catalina Mountains once more.
Whether you are in favor of Rosemont Copper or opposed, your decision ought to be based on the most current facts.
A rare bird that could gain federal protected status lives and in some cases breeds along three streams and creeks near the proposed Rosemont Mine site, federal reports show.
Popular Madera Canyon is the latest victim of the federal government’s partial shutdown.
The following editorial appeared Friday in the Los Angeles Times: