After Clean Water Act change, uncertainty reigns over water protections
The Trump administration's revision of which waterways are protected creates regulatory uncertainty, especially in arid places.
Daily news roundup: No new coronavirus deaths reported by state, impact of census strong in AZ
Recent coverage impacting Southern Arizona, July 25.
Work starts on new section of border wall in national wildlife refuge
North-Dakota-based Fisher Sand and Gravel has broken ground on a $1.3 billion project in southeast Arizona.
Pusch Ridge burns near Oro Valley
The lightning-caused fire began Friday night.
Groups say border wall construction threatens biodiversity of Arizona sky islands
Conservation groups say the animals rely on the ranges to travel between habitats in the U.S. and Mexico.
With fewer cars on the streets, Tucson's air quality is improving
Pandemic restrictions are a factor in the air quality improvements, a county official says.
Continued wall construction puts border residents on edge amid COVID-19 pandemic
Residents of small border communities say construction workers don't practice safe social distancing on or off the job
Environmental advocates say planned border construction threatens jaguar corridors
CBP announced plans to build more than 90 miles of border wall in an area advocates say is predominantly remote wilderness.
Project links river parks on Pima County Loop
Pedestrian bridges were just one part of the project to reinforce riverbanks to protect a gravel pit and I-10.
Ozone goes over EPA standard in Pima County for first time this year
The county has breached the federal levels 22 times since 2013. Maricopa County has exceeded the standard 20 times this year.
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.
Supervisor Elias stresses importance of Clean Water Act to Senate committee
Pima County Supervisor Richard Elias about the importance of the Clean Water Act in the desert Southwest.
Tucson Riverbed Clearing Underway
The Santa Cruz and Rillito channels are being readied for monsoon rains.
Pima County Supervisors Back Lawsuit Over Rosemont Mine Approval
The suit claims approval of the mine project by the Army Corps of Engineers broke the law.
County, City, UA Sign On to Urban Sustainability District
The goals of the Tucson Emerging 2030 District mirror those of the Paris Agreement.
