The impact of Mexico’s worst mining disaster, five years later

BAVIÁCORA, MEXICO – Mexico’s largest mining company spilled nearly 11 million gallons of copper sulfate acid solution carrying heavy metals into the Bacanuchi and Sonora rivers in 2014. To this day, residents claim life has not been the same since.


Taliesin West added to World Heritage List after 15-year wait

SCOTTSDALE – Taliesin West in Scottsdale and seven other Frank Lloyd Wright structures were inducted last month.


Dwindling groundwater, ever-deeper wells could spell trouble for Arizonans

PHOENIX – Dropping groundwater levels have prompted many states, including Arizona, to dig deeper wells.


Arizona could make major changes to renewable-energy mandate

PHOENIX – The Arizona Corporation Commission is considering several proposals that would change energy regulation in the state, including how much power comes from renewables.


Federal judge halts planned open-pit copper mine in mountains south of Tucson

PHOENIX – A federal judge has blocked a Canadian mining company from moving forward with plans to dig an enormous open-pit copper mine south of Tucson. The company plans to appeal the decision.


Courts reject environmental lawsuit to block Navajo coal mine expansion

WASHINGTON - A federal appeals court said environmental groups cannot sue to block expansion of a coal mine owned by the Navajo Transitional Energy Co., because the company is an arm of the Navajo government and thus immune from civil suits.

pollution settlement

As Southwest water managers grapple with climate change, can a ‘grand bargain’ work?

GREELEY, Colo. – A temporary fix to the Colorado River's scarcity problem has turned attention to how to manage the water supply for 40 million people across the Southwest.


Private drone hampers battle against Museum Fire, which now is 12% contained

FLAGSTAFF – Firefighters continue to try and get the more than 1,900 acre Museum Fire north of Flagstaff under control, but drones are making that effort harder.


Monsoon storms help slow Museum Fire, but raise flood concerns

FLAGSTAFF – The Museum Fire burning one mile north of Flagstaff is now more than 1,800 acres, but rains Tuesday helped firefighters slow the blaze. With more rain in the forecast, though, the threat of flooding is real.


Tourism tension in Instagram age: $1 billion in AZ taxes, challenges to preservation

PHOENIX – Tourism continues to expand in Arizona, a boon for jobs, development and tax revenue, but the growth presents challenges to preserving the natural beauty that draws visitors to the state.


As Museum Fire grows, neighborhoods north of Flagstaff are on edge

FLAGSTAFF – The Museum Fire burning a mile north of Flagstaff has residents in the area on high alert as crews battle the 1,800 acre blaze.


50 years later, Arizona still plays a big role in exploring the universe

PHOENIX – Arizona helped put men on the moon, and the state’s institutions continue to make strides in mapping the cosmos.