Nature and Environment

El Niño Far from Over, With 'More Storminess' Due Soon

Jan 14, 2016 UA climate team’s website provides regional information on weather phenomenon.

Ski Resorts on Federal Land Must Prove Water Supply

Jan 13, 2016 New Forest Service rule will affect three spots in Arizona, including Mount Lemmon.

El Niño Winds, Rain 'Scrub' Arizona's Atmosphere

Jan 11, 2016 State air quality director says rains, cold temperatures help purify air.

Up to 5 El Niño Storms Due in Southern Arizona This Week

Jan 4, 2016 Up to 1.5 inches of rain in valleys, snowfall in mountains above 6,000 feet.

De-Icer on Northern Arizona Roads Harms Pine Trees

Jan 4, 2016 Coconino County, Flagstaff switch back to environmentally friendlier cinders.

US Parks Draw Record Crowds Ahead of 100th Anniversary

Jan 3, 2016 Visitation to 409 National Parks estimated at 300M last year, even bigger in 2016.

Bird Watchers Look to Arizona Skies for Annual Count

Dec 31, 2015 National Audubon Society enlisted citizen scientists across the country for survey.

Arizona Spotlight for the 2015 holiday season

Dec 30, 2015 More local StoryCorps conversations; exploring the "Xenophobia Blues"; discovering Comet Catalina, and some of the year's best stories.

Wanted: Tinsel-Free Christmas Trees for Recycling

Dec 28, 2015 Tucson has nine locations for annual Treecycle event through Jan. 12.

White Christmas in Tucson is No More Than a Dream

Dec 21, 2015 For the 28th year in a row, no snow predicted for the holiday.

Utah Wants to Pipe Water 140 Miles from Lake Powell

Dec 15, 2015 86,000 acre-feet anually would supply booming area around town of St. George.

Historic Climate Accord A First Step, UA Professors Say

Dec 15, 2015 University of Arizona representatives say climate connects many issues

Study: Warming May Affect Microbes, Hurting Soil Fertility

Dec 14, 2015 Research led by NAU scientists scanned conditions in 80 dryland ecosystems around globe.

Why Did the Wildlife Cross Over the Road? To Reduce Road Kill

Dec 9, 2015 First wildlife overpass in state going over highway north of Tucson; more to come.

Study: Wildfire May Double Erosion in Western Watersheds

Dec 9, 2015 Flagstaff, other high-altitude areas are 'hot spots' for fire-related soil problems.

AZ WEEK: Arizona Desert Wilderness Act at Milestone

Dec 4, 2015 A look at what it means from the perspective of federal agencies, non profit organizations

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