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AZ Grassland Faces Threats from Mesquite Trees, Woody Plants
These plants were not present in the landscape traditionally, continue to spread.
Monsoons Cut Fire Season Short; Longer Outlook Grim
100,000 acres burned in AZ this year, but heavy winter rains, snow needed to lessen future danger.
Researchers Find New Scorpion Species in Catalinas
This is the second time a new species is found in the mountains, which is unusual; unclear of how venomous creature is.
AZ Research Ranch Showcases Local Grasslands
Hundreds of native plants, animals depend on these diverse ecosystems; visitors allowed on limited basis.
Local Parks Help Preserve Southeast AZ Native Butterflies
Tohono Chul, Tucson Botanical Gardens create botanical displays to attract, protect the colorful creatures.
Pima County, UA Working to Eradicate Invasive Bullfrogs
Species has been threatening native frogs, toads, wildlife in central Tucson restoration area.
Historic Park's Pond Drying Because of Drought
Distinctive desert-meets-swamp characteristic of Tucson's Agua Caliente Park is slowly disappearing.
NPR: Water Flows Will Be Reduced on Colorado River
Water shortages in AZ, other lower basin states could begin as early as 2016, Bureau of Reclamation says.
Arizona Universities Praised for Green Efforts
State schools receive high ranks in recent list of environmentally friendly colleges; UA highest of the three.
AZ Politicians Protest Federal Decision on Yarnell Aid
Governor, House speaker take to Phoenix airwaves to express anger at rejection of disaster declaration for fire.
Suspect Charged in Saguaro National Park Vandalism
16-year-old boy alleged to have spray-painted graffiti on 11 saguaros, other spots in May.
Clean Water Agreement, Through Congress, Signed for AZ Tribe
Under $200M federal allocation, White Mountain Apaches will get 'clean water for another 100 years.'
Feds Hold Jaguar Sanctuary Meeting
Public invited to Sierra Vista gathering Tuesday; state game officials oppose plan to set aside 1,300 sq. miles.
Ak-Chin Tribe Finds Alternative Water Source
Treatment plant makes water from Colorado River via Central Arizona Project clean, drinkable.
Storm Closes Roads, Snarls Traffic, Damages School
Power poles down on South Side; up to one inch of raifall reported in some spots.
Proposed Barriers Along Border Could Harm Wildlife
The issue has raised flags among environmentalists, who argue it could be devastating to the area's natural surroundings.
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