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 to 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.
UA researcher investigating chemicals used in firefighting foam
Reyes Sierra-Alvarez is working on methods to absorb a contaminant discovered in groundwater.
How much water is in the San Pedro? Every year, volunteers seek to find out
More than 100 volunteers spent last weekend tracking the presence of intermittent water in the river.
Bat night at the Mission Garden
Also: A new facility in Nogales, Sonora to help migrants following the Trump administration's "Remain in Mexico" policy; and strangers find common ground with "One Small Step".
Tucson City Council opposes proposed Interstate 11
A resolution lays out the environmental and economic reasons for the opposition.
