Nature and Environment

UA Tree-Ring Research Narrows Window for Massive Bronze Age Eruption

Aug 16, 2018 Newer methods helped close the gap on an ancient explosion that dimmed the sun across the Eastern Mediterranean.

Potential New Coal Plant Operator Offers Few New Details

Aug 15, 2018 The Chicago-based company said it would run the plant at 44 percent of capacity to make it more economical.

Monsoon Lightning Zaps Tucson Weather Radar Tower

Aug 14, 2018 Forecasters used work-arounds during weekend thunderstorms.

Horseshoe Bend Undergoes Changes to Manage Growing Crowds

Aug 13, 2018 Parking restrictions and a new viewing deck are part of efforts to accommodate a projected 2 million visitors this year.

Endangered Condors to be Released in Northern Arizona

Aug 13, 2018 The captive-bred birds of prey will be released atop the dramatic Vermilion Cliffs in Northern Arizona.

Arizona Sides With Developer in Water-Use Dispute

Aug 10, 2018 The long-standing lawsuit revolves around a proposed 7,000-home development in Sierra Vista, near the San Pedro River.

Research Reveals Climate-Driven Bird Collapse in Mojave Desert

Aug 10, 2018 Deserts globally have borne the brunt of warming and drying over the past 50 years.

Fight Your Fear of the Future with a "100 Year Plan"

Aug 9, 2018 Also on Arizona Spotlight: Is Arizona ready for wildfires on the scale of those ravaging California?, how to help hummingbirds beat the peak summer heat, and stories of kindness in action.

Giant Strainer Seeks to Clean Up Oceanic Garbage Patches

Aug 8, 2018 An Arizona researcher says it's only one approach to an dire problem that requires a variety of mitigation strategies.

2,700 Scientists: Planned Border Wall a Threat to Biodiversity

Aug 7, 2018 Scientists from 47 countries reviewed a scientific paper and concluded Trump's border wall will be an ecological disaster.

Forest Thinning, Burning Project OK'd to Protect Reservoir

Aug 6, 2018 The plan is aimed at preventing severe fire, erosion and flooding.

Invasive Snail Threatens Ecosystem of Arizona's Salt River

Aug 6, 2018 Apple snails were likely introduced into the river's ecosystem illegally from someone's aquarium.

Study: Droughts Are Growing Hotter Under Climate Change

Aug 6, 2018 Stressors may include environmental and social impacts of drought and heatwaves, driving more frequent wildfires, worsening air quality and stressing crops and livestock.

Southern Arizona Firefighters on the Fire Lines in California

Jul 31, 2018 Carr Fire has claimed at least six lives, including two firefighters.

Residents Warn of Threat to Santa Cruz River if Sewer Pipe Ruptures Again

Jul 31, 2018 Last year, rains caused a breach in a pipeline that carries raw sewage from Mexico to the U.S.

Meteorologists Expect Relief From Drought Conditions for Arizona

Jul 30, 2018 Monsoon rains and El NiƱo weather pattern are expected to bring the Southwest closer to normal conditions.

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