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Tree Rings Tell Story of Jet Stream
Changes to North Atlantic air flows alter European summer weather.
Buffelgrass, Threat to Desert Habitat, Cultivated South of the Border
Ranchers in Mexico see it as a cheap source of cattle feed.
TEP Asks for Wind Power Proposals to Power 31K Homes
Utility aims to triple current wind-generated power in coming years.
What Happened to Edible Baja Arizona?
Also on Arizona Spotlight: Differing opinions on how money should be spent at the border; Indigenous Voices presents spiritual elder Mona Polacca; and paying attention to Gila woodpeckers.
Three UA Scholars to be Inducted as Regents' Professors
The award represents the state's highest faculty honor for work drawing national or international recognition.
The Art of Paying Attention: Gila Woodpecker
Beth Surdut finds much more to these marvels of natural engineering than is obvious to the eye...or ear.
How Global Warming Could Alter the Wind-Power Landscape
Climate change could mean winds in the Northern Hemisphere lose their oomph, study says.
Tucson a Model in Food Biodiversity, Report Says
This year marks the second anniversary since being named a "city of gastronomy."
Done With Your Christmas Tree? Treecycle Dropoffs Now Open
Program takes old Christmas trees and turns them into free mulch.
As Valley Fever Cases Grow, Research Aims to Improve Diagnoses, Treatment
A UA study center looks at effects of delayed diagnoses, hopes to pioneer rapid test.
Bear Euthanized Near Sabino Canyon
Ailing bear was persistently near residences and a school.
Water Dominates Environmental News in 2017 and 2018
Is the Colorado River meeting our needs?
Endangered Gila Topminnow Returns to Santa Cruz
Tiny native fish may have been brought downstream by monsoon floods.
Decades-Long Dispute Over Arizona Tribe's Water Rights May Soon Be Resolved
Senators John McCain and Jeff Flake have introduced a bill to allocate Colorado River water to the tribe and pay for construction of delivery infrastructure.
ADOT Begins Work on System to Detect Dust Storms on I-10
System would warn travelers about low visibility conditions along 10-mile stretch of interstate.
Groups Sue Forest Service Over Rosemont Copper Mine Decision
Environmental groups say Coronado NF Supervisor's Record of Decision came prematurely.
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