Border Security Efforts Clash with Movement of Wildlife
Environmentalists say fencing cuts off many animals; ranchers, others say security is uppermost.
Avra Valley Earth Fissures Ongoing Hazard, Geologist Warns
State's latest report shows subsidence from groundwater pumping continues in Southern Arizona.
Saguaro National Park May Raise Some Fees
Park officials say increases have been authorized by National Park Service
Three Lambs Born to Bighorn Sheep in Catalinas
Two adults found dead since last release to build herd; that effort going well, state wildlife official says.
Hybrid Cars Make 'Clean Air Blue Skies' Eligibility
Six vehicles designated by state transportation officials to get plates allowing single-occupancy in HOV lanes.
Colorado River Delta 'Pulse Flow' Shows Signs of Success
Water release at Yuma dam enhances vegetation, opens waterway to Sea of Cortez for first time in half-century.
Parts of Pima County Under Citrus Quarantine
Presence of an insect that can carry disease found in region.
4.7 Earthquake Hit Sedona Sunday Night
Temblor centered 7 miles north of the northern Arizona town and 6 miles underground; no injuries reported.
Female Gray Wolf Wanders in Grand Canyon
Animal was first seen on North Rim earlier this month; wildlife officials confirm species.
More Bighorn Sheep Released North of Tucson
14 sheep scamper uphill to join a dozen surviving from last year's release; more coming Friday.
Bighorn Sheep Release in Santa Catalinas Closed to Public
Arizona Game and Fish spokesman says they don't want crowd control issues, there are 'animal welfare concerns.'
More Bighorn Sheep Coming to Catalina Mountains
Second stage of controversial program to reintroduce animal to Tucson area.
Study Looks into Effects of Wastewater on Santa Cruz River
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
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
Limited access hampered early efforts for emergency responders to fight Slide Fire; residents, visitors have been complaining for years.
