More Environment Stories

Conservation, law enforcement and ranching: Weighing in on a proposed border fence

The majority of new bollard-style wall would run through protected areas in Pima and Cochise counties.

Geoff Notkin on the past - and future - of space exploration.

Also on Arizona Spotlight: Mexican rock stars sing out about immigration; and a party to celebrate the "The Queen of the Night" at Tohono Chul.

Judge to rule next week on whether to halt Rosemont Mine

Tribes and environmental groups who oppose the project are seeking a preliminary injunction.

Lawsuit challenges northern Arizona fracking leases

Conservation groups say the BLM violated laws by not conducting environmental reviews or consulting tribes.

More deadly temperatures in Arizona's future

Climate change will bring more extreme heat in the coming decades.

Sulfuric acid leak in Mexico’s Sea of Cortez a ‘wake-up call’

A researcher says the impact was minimal, but that it shows the need to consider the potential for a spill on a much larger scale.

Sahuarita residents urged to boil water

E. coli bacteria were detected in some samples of the drinking water.

A new effort to deal with a leaky cross-border sewage pipe

For years, Nogales residents have suffered from water contamination that stems from the wastewater line.

Santa Cruz River project means coordination between water infrastructure managers

New water released into the Santa Cruz River means the city and county are working together on issues like flooding and wastewater.

UNESCO designates vaquita porpoise habitat as ‘in danger’

There are estimated to be only 10 remaining vaquita porpoises in the Sea of Cortez.

500 Gila Topminnows make a splash at The Mission Garden

Also on Arizona Spotlight: Author Kimi Eisele on "The Lightest Object in the Universe"; singer Natalie Douglas returns to Tucson with the songs of Nat King Cole; and "A Love Letter to the Library" about MegaMania.

EPA: Air quality improves at Nogales port

The report credits reduced wait times and other factors for the reduction in emissions at the Mariposa Port of Entry.

Initial flow for Santa Cruz River project goes beyond expectations

The project pumping reclaimed water into a section of river near downtown saw water reach farther downriver than predicted.

Native Arizona fish finds new home in Tucson's Mission Garden

Last week, one of Arizona’s most historically prolific native fish was introduced into some new habitat at the Mission Garden.

Smoke from US wildfires boosting health risk for millions

Another summer of fires in the West is expected to impact millions and increase premature deaths.

Southern Arizona officials ask Congress to keep clean car standards

The White House wants to let automakers roll back emission and mileage standards.

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