Arizona 'Unique Laboratory' for Sustainability, Scientist Says
Focus on future of food, water, energy and impact on society at Biosphere 2 conference.
Tucson Earth Day Festival Celebrates 21st Anniversary
Event is free and open to the public
UA Bird Expert Leads TV Search for Hummingbirds
Crew travels to Cochise County's Chiricahua Mountains for in-depth look at tiny winged creatures.
Colorado River Pulse Flow 'Has Long-Lasting Effects'
Scientists still hard at work one year after historic project to restore flow below Yuma.
It's Rattlesnake Time; Be Aware, Compassionate, Group Says
Advocates for Snake Preservation conducts outreach programs on venomous reptiles, other species.
New Community Would Add 28,000 Homes in Benson
'Villages at Vigneto' proposal working its way through town government
Insect Experts Report Active Season of Africanized Honeybees in Arizona
Abundant blooms are providing growing opportunities for the aggressive bees.
Report: Colorado River Most Endangered River in US
Three human-caused sources listed as dangerous for river that flows through Arizona.
New Building May Be Greenest on UA Campus
$75 million Environment and Natural Resources structure set to be complete in June.
Utilities Seek Donations for Solar on Low-Income Housing
Arizona's three largest power providers will install panels on Habitat for Humanity homes.
Wind, Dryness Lead to SE Arizona's First Warning of Season
Weather Service's 'Red Flag' in effect through 8 p.m. Tuesday, could be extended beyond in 5 counties.
Game and Fish Department: Don't Dump Easter Pets at Tucson Lakes
Unwanted animal gifts can harm state efforts to restore native species populations
7% Increase in Tucson Water Rates Proposed
Average residential bill would rise as much as $4.13 starting in July.
Improved Wildland Firefighter's Shelter to Be Tested
Pace of development picked up after 19 Prescott firefighters died in 2013 Yarnell Hill Fire.
Abundant Honey Harvest Expected This Year
Southern Arizona beekeepers: Wet winter has led to widespread spring blooms, and that means honey.
