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NASA: Spike In Atmospheric CO2 Related To El Nino
A vicious cycle might await if future climates reflect similar conditions of heat and drought.
Jobs, Environment and Crime are Key for Ward 6 Candidates
Central Tucson Council race features incumbent Democrat, Republican and Green Party challengers.
TEP to Buy Electricity Generated by Natural Gas from Gila Bend Plant
New deal includes option to buy the unit outright within the next three years.
Bisbee Fires Back on Legislator's Challenge to Plastic-Bag Ban
Memorandum claims the law is necessary to uphold another constitutional provision and is not a statewide concern.
Fixes to Nogales Pipeline First in Long List of Repairs, Official Says
The 42-year-old sewer line has Nogales and a water commission arguing over responsibility.
UA Researcher Develops Snake Bite Treatment
Novel combination of carbon monoxide and iron delays venom's damaging effects.
Park Service Seeking Tips in Saguaro Shooting
Vandals broke multiple laws by shooting a protected plant in a national park.
River Managers Want to Know What Santa Cruz Means to Community
They'll hold public workshops to gain feedback and help river managers improve the waterway's management.
Carcinogens Decreasing in Water at Tucson Superfund Site
Time and new methods are cleaning up groundwater, scientists said.
National Public Lands Day Brings Chance to Enjoy the Outdoors, Give Back
Federal land managers are looking for volunteers to help with restoration and improvement projects near Tucson.
Raytheon Drones Fly Into Hurricanes to Collect Data
'Coyotes' were used recently in Hurricane Maria to aid in continuous monitoring.
US, Mexico Sign On to Boost Conservation of Colorado River
'Minute 323' calls for the U.S. to invest $31.5M to modernize Mexico's infrastructure.
Barrio Hollywood Collects Supplies for Mexico Earthquake Survivors
In two days volunteers filled the semi truck. Supplies are now in Mexico.
Environmental Group Sues Federal Agencies Over Rosemont Copper Approval
Center for Biological Diversity claims US Fish and Wildlife Service did not fully consider impact on endangered species and water.
Arizona Public Lands Less Likely to Burn in Wildfires Than Many Western States
Federal and state public land has similar percentage of acreage deemed at "high risk" of burning.
UA Lab Keeps Shrimp Industry Swimming Along
Researchers test and certify seafood for commercial farmers.
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