Nature and Environment

Avra Valley Earth Fissures Ongoing Hazard, Geologist Warns

Feb 2, 2015 State's latest report shows subsidence from groundwater pumping continues in Southern Arizona.

Report: Arizona's Economy Dependent on Colorado River

Jan 20, 2015 Most of state's $261B GDP would go away without the river's water, ASU economists say.

Saguaro National Park May Raise Some Fees

Jan 13, 2015 Park officials say increases have been authorized by National Park Service

Three Lambs Born to Bighorn Sheep in Catalinas

Jan 6, 2015 Two adults found dead since last release to build herd; that effort going well, state wildlife official says.

Homeless Families in Need of Shelter on Cold Nights

Jan 5, 2015 Salvation Army seeing fewer individuals seeking overnight shelter

Hybrid Cars Make 'Clean Air Blue Skies' Eligibility

Dec 29, 2014 Six vehicles designated by state transportation officials to get plates allowing single-occupancy in HOV lanes.

Hard Freeze Warning for Southern Arizona

Dec 26, 2014 Temperatures down to 20s forecast through weekend; Salvation Army opens warm shelter to homeless in Tucson.

Tucson Electric Power Says It Won't Buy Coal Mine

Dec 18, 2014 Environmentalists urge utility to emphasize solar, other clean energy sources ahead of fossil fuels.

Colorado River Delta 'Pulse Flow' Shows Signs of Success

Dec 18, 2014 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

Dec 10, 2014 Presence of an insect that can carry disease found in region.

4.7 Earthquake Hit Sedona Sunday Night

Dec 1, 2014 Temblor centered 7 miles north of the northern Arizona town and 6 miles underground; no injuries reported.

Female Gray Wolf Wanders in Grand Canyon

Nov 24, 2014 Animal was first seen on North Rim earlier this month; wildlife officials confirm species.

More Bighorn Sheep Released North of Tucson

Nov 20, 2014 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

Nov 18, 2014 Arizona Game and Fish spokesman says they don't want crowd control issues, there are 'animal welfare concerns.'

Corporation Commission Proposes Changes to Energy Efficiency Rules

Nov 17, 2014 Commissioner says it is a way to keep standards realistic; outside group argues it is a gutting of a highly progressive law.

More Bighorn Sheep Coming to Catalina Mountains

Oct 31, 2014 Second stage of controversial program to reintroduce animal to Tucson area.

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