Nature and Environment

Study Looks into Effects of Wastewater on Santa Cruz River

Oct 20, 2014 Sonoran Institute, local officials release initial report on water quality after recent upgrades to treatment facilities.

Orange Sludge Spill from Abandoned Mines Threatening Patagonia Lake

Oct 16, 2014 Local environmental officials say Asarco's cleanup efforts not good enough, cite company.

Miles-Long Cell Phone Dead Zone in Oak Creek Canyon Worries Locals

Oct 14, 2014 Limited access hampered early efforts for emergency responders to fight Slide Fire; residents, visitors have been complaining for years.

Interior Secretary Reinforces Glen Canyon Dam Preservation

Sep 30, 2014 Jewell says during recent visit cooperation of 7 Colorado Basin states key to save source of water, electricity to much of Southwest.

Initial Tests Show No Toxic Waste in San Pedro River

Sep 24, 2014 AZ Dept. of Environmental Quality sampled two areas Tuesday after alert that contamination from Mexican mine could potentially make its way north.

Increased Number of Training Flights Coming to Davis-Monthan

Sep 23, 2014 More air crews from global allies expected at Tucson Air Force base; noise increase minimal commander says.

Mexican Copper Mine Contamination Spills Into San Pedro River

Sep 22, 2014 Authorities in northern Mexico issue a binational alert over mine water leakage in creeks, streams.

Fire Prevention in the Chiricahuas

Sep 18, 2014 Chiricahua Mountains assist fire ecology research; they're the largest most biodiverse of Arizona's 'Sky Islands.'

Odile Veers to East, Sparing Tucson; Flooding in Nogales

Sep 18, 2014 Government, businesses were prepared, but worst never came about; much activity back to normal.

Tropical Storm Odile Bringing Heavy Rain to Tucson

Sep 16, 2014 Aside from flash flood dangers, water is mostly welcomed in Sonoran Desert after years of drought.

UPDATE: Arizona Storm Leaves 2 Dead; Statewide Emergency

Sep 8, 2014 Deaths in Tucson, Oracle Junction in flooded washes; major freeways closed most of Monday in Phoenix area.

Reid Zoo Baby Elephant Makes Media Debut

Aug 28, 2014 African elephant Semba gave birth to female calf last week; she weighed in at 245 pounds.

Reid Zoo African Elephant Gives Birth to Female Calf

Aug 21, 2014 Semba began going into labor last night to a baby weighing in at 245 pounds; she has not yet been given a name.

TEP Proposes No Up-Front Cost Solar Panel Installation Program

Aug 19, 2014 If Corporation Commission OKs, utility would be responsible for maintenance, customers would pay fixed monthly rate for 25 years.

Long-Time Colossal Cave Director Uncertain About Her Future at Park

Aug 14, 2014 Pima County Supervisor Carroll called for performance audit last summer to assess management of park amid mountain lion shooting.

Solar a Central Issue in Corporation Commission Republican Primary

Aug 13, 2014 2 commission seats up for grabs; four GOP candidates seek their party's nomination, face off two Democrats.

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