Western states sign historic agreement to deal with drought
May 21, 2019 The drought contingency plan has been years in the making.
Project tracing earth changes to introduce plants into its landscapes
May 21, 2019 The Landscape Evolution Observatory experiment at Biosphere 2 observes changes to natural landscapes in a controlled environment.
Tucson Riverbed Clearing Underway
May 17, 2019 The Santa Cruz and Rillito channels are being readied for monsoon rains.
Sustaining the San Pedro River
May 16, 2019 A panel in Bisbee discusses the present and future of Southern Arizona's last large, free-flowing river.
Discussion Looks to Future Colorado River Negotiations
May 16, 2019 With the drought contingency plan on the books, water leaders are starting to think about what's next.
Border Wall to Go Up in National Monument, Wildlife Refuge
May 15, 2019 DHS has again waived environmental laws to build more barriers along the southern border.
Heat Waves, Fires Affect Mexico City’s Air Quality
May 15, 2019 The air quality in cities like the capital are getting worse due to fires in the southern part of the country.
Fire Managers Setting Prescribed Burns This Week
May 14, 2019 National Park Service to ignite 500-plus acres east of Tucson.
Study Finds 96 Percent Of National Parks Have Significant Levels of Air Pollution
May 13, 2019 The study also found that climate change is a significant concern for most national parks.
'Bike Ranch' Proposed Across From Saguaro National Park East
May 13, 2019 The Pima County Board of Supervisors will vote later this month whether to approve the development in the park's buffer zone.
Grijalva Pushes to Modernize 147-Year-Old Mining Law
May 9, 2019 The U.S. representative from Tucson is spearheading an effort to reform the nation's hard-rock mining laws.
Trump Administration Seeks to Build Border Wall Across Protected Lands
May 8, 2019 Environmental groups say a new wall would further endanger wildlife and habitat along the border.
Coronado National Forest to Increase Recreation Fees
May 7, 2019 Starting later this year, the cost of entrance at sites like Sabino Canyon or Madera Canyon will go up.
State Seeks Public Comment on Proposed New Interstate
May 7, 2019 The Arizona Department of Transportation has released its preferred route for a new interstate from the Mexican border to north of Phoenix.
Local Water Utilities Fight Unregulated Contaminants
May 3, 2019 While the EPA weighs regulating the chemicals, Tucson and Marana Water are moving ahead with treatment.
Climate Change Making Southwest Hotter
Apr 30, 2019 A UA professor lays out the changes for congressional committee.Selected Archive Filters
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