The investment firm that was interested in buying the Navajo Generating Station broke off its pursuit , making the closure of the plant next year and the loss of hundreds of jobs appear more likely.
Grand Canyon National Park invites the public to celebrate National Fossil Day Oct. 17.
A court ruling Sept. 24 in Montana restored protections for grizzly bears in and around Yellowstone National Park, putting on hold grizzly hunts that had been planned in Wyoming and Idaho.
Progress is being made in talks toward a set of agreements for cities, farmers and tribes to share in Colorado River water cutbacks, according to Arizona water officials.
The U.S. Supreme Court on Monday declined to review a ban on the filing of new mining claims around the Grand Canyon but environmentalists said they are keeping a close eye on actions by the Trump administration they fear could lead to a reversal of the ban.
The long-running fight over the Mexican gray wolf moved from southeast Arizona to a paneled Washington conference room this week, where scientists will try to answer the question that could determine the animal’s fate.
In a remote area of northeastern Arizona, far from the crowds gathering to celebrate National Public Lands Day Sept. 22, another celebration was taking place. A California condor opened its wings and soared high above Vermilion Cliffs.
A House committee unanimously approved a surprise, bipartisan plan to save a popular land conservation fund Sept. 13, just weeks before it was set to expire.
Grand Canyon National Park officials recently received confirmation that a bat collected at Phantom Ranch on Aug. 31, 2018 tested positive for rabies.
Colorado is called “the mother of rivers” for a reason: It has thousands of miles of waterways.
The latest international research study on Mexican wolves says that encouraging recovery of the endangered subspecies north of its outlined historical range would be detrimental to preserving the wolf’s unique characteristics.
Lodging and tourism facilities will reopen on the Havasupai Reservation more than a month after a catastrophic flash flood tore through the campground.
The National Park Service (NPS) will move forward with plans to increase access and recreational opportunities within Glen Canyon National Recreation Area by approving a Record of Decision (ROD) for the final Environmental Impact Statement (EIS) on managing off-road vehicle (ORV) use throughout the NPS unit.
A vital reservoir on the Colorado River will be able to meet the demands of Mexico and the Southwest for the next 13 months, but a looming shortage could trigger cutbacks as soon as the end of 2019, officials said Aug. 15.
Wildlife biologists will be putting GPS collars on ten adult elk between late August and October of this year to gather movement data of the elk at Grand Canyon National Park.
The National Park Service has canceled a contract proposal to run commercial river trips in the Grand Canyon after backlash over higher franchise fees.
While plague-bearing fleas often command the attention of parents and pet owners, other tiny terrors may go unnoticed.
Arizona’s wettest month is upon us, but rain won’t be the only thing that arrives with these August monsoon storms.
Scientists involved in Mexican wolf recovery say environmental groups distributing old and faulty data that calls for the release of captive adult wolves are not helping the recovery of the endangered subspecies.
Visitors appear to be steering clear of some U.S. national parks or cutting visits short because of pollution levels that are comparable to what’s found in major cities, according to a study released July 18.
The president of the Arizona Farm Bureau told a House panel July 12 that regulations meant to help the environment are actually doing the opposite, in part by harming ranchers who are in the best position to help.
Trump taps former coal lobbyist Andrew Wheeler to lead environmental agency
Taking over from an ambitious predecessor known for seeking out the rich, powerful and conservative, the Environmental Protection Agency’s newly named acting chief has promised to reach out to anxious staffers throughout the demoralized agency and to lawmakers of both political parties.
Reservoirs along the Colorado River are projected to be less than half full by summer’s end, potentially marking a historic low mark for the river system that supplies water to seven U.S. states and Mexico.
More than 300 people who say their livelihoods depend on a coal-fired plant on a sprawling Native American reservation rallied in Phoenix June 6 to request a 90-day delay in steps being taken to shutter it by 2019.
Six million visitors travel to Arizona every year to see the Grand Canyon. The majority will explore it from the scenic overlooks along the South Rim.