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Nature and Environment

Just a small portion of the Saguaro National Forest conservation area.

Study: Saguaro Survival Sign of Climate Change Effect

Sep 12, 2016 Scientist connects age of saguaros with volcanic activity that changed temperatures.
Sirena Rana began exploring the Arizona Trail in segments before completing it twice.

The Arizona Trail Opens New Paths for Tucson Resident

Sep 9, 2016 Accident leads to exercise and new discoveries

Mapping the Intersection of Food, Energy and Water

Sep 8, 2016 NAU professor's research aimed at helping communities head off future crises related to water scarcity.
The predicted path for Post-Tropical Cyclone Newton as of 2pm Wednesday.

Newton Slows, Will Not Bring Much More Rain to Southeast Arizona

Sep 7, 2016 From hurricane to tropical storm and now to post-tropical cyclone.
Heavy monsoon rains blanket the campus of the University of Arizona.

Hurricane Newton Sending Heavy Rains to Tucson

Sep 6, 2016 Flash flood watch issued; up to 3 inches expected through Thursday.
Navajo uranium miners dump tailings over the side of a mesa in a photo dated 1952.

$85M Allotted for Navajo Uranium Mine Cleanup

Sep 5, 2016 400 abandoned mines run by many companies now out of business.
Aerial view of water making its way into the parched Colorado River delta.

Greenhouse Gas Surprise in Colorado River Pulse Flow

Aug 29, 2016 100,000 acre-feet released into delta had unexpected side effect, scientist says.

Can Tucson F-16 Training Reduce Fighter Pilot Shortage?

Aug 26, 2016 Plus: a preview of Tuesday's primary election; why the "digital divide" is shrinking for Tucson-area Latinos.

Public Meetings on Uranium Mining Near Grand Canyon

Aug 26, 2016 State agency schedules three gatherings to take comments on permit proposals.
Pedestrians look over the edge of an overpass at Rillito River Park.

Rillito Anti-Flood Measures Troubling for Some Tucsonans

Aug 26, 2016 The project aims to mitigate future flooding but strips riverbed vegetation to do so.
National Parks Great Nature

Park Service Celebrates Centennial; Get in Free

Aug 26, 2016 Hope is to foster a new generation of stewards to protect the legacy of the parks.
Water pours from two spigots.

Hopi Cultural Center to Reduce Arsenic in Drinking Water

Aug 25, 2016 EPA orders center to come up with measures as part of multiyear management plan.
As of 2005, scientists say there were 29 surviving populations of the New Mexico meadow jumping mouse in the Southwest, but biologists say they believe there may be fewer now.

Team 'Inks' Endangered Mouse in Arizona, New Mexico

Aug 24, 2016 NAU researchers confirm species' range in region using special inkpads.
Lightning flashes over a house on Tucson's far east side during a monsoon storm.

Southern Arizona's Monsoon Starts Strong This Year

Aug 19, 2016 Rain totals in some places climbed above the normal level for an entire summer storm season.
The Colorado River

Water to Keep Flowing to Arizona, Nevada from Colorado River, for Now

Aug 16, 2016 Despite record lows at Lake Mead, states aren't facing cutbacks in 2017
Pima County Supervisor Sharon Bronson was rescued from this car after it was washed off a road on the near north side of Tucson.

Rain Subsides, But Flooding, Dangerous Conditions Ongoing

Aug 9, 2016 Pima County Supervisor Bronson pulled from submerging car in north side wash.

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