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Center for Biological Diversity

Dec 7, 2018

U.S. Forest Service under fire for cutting old trees

The decision to cut more than 1,300 old-growth trees last summer in an Arizona forest has been criticized for breaking trust with the thinning project’s backers.

Apr 3, 2018

Federal judge rejects plan to manage Mexican gray wolf population

A federal judge has swatted the U.S. Fish and Wildlife Service for not doing enough to ensure there is a viable population of the Mexican gray wolf in Arizona and New Mexico.

The Sonoyta mud turtle is an aquatic species that lives in the Sonoran Desert, a difficult enough existence that experts say is being made harder by climate change. The federal government granted the turtle endangered species status on September 20. (Photo by George Andrejko/Arizona Game and Fish Department)
Sep 22, 2017

With as few as 100 left, Arizona turtle wins endangered species status

It may not be surprising that an “aquatic desert” turtle faces long odds in life, but environmentalists and biologists still welcomed this week’s endangered species designation for the Sonoyta mud turtle.

Aug 31, 2017

Court rejects bid to declare Sonoran Desert bald eagle endangered

A federal court has rejected a bid to declare the Sonoran Desert bald eagle an endangered species, saying the U.S. Fish and Wildlife Service acted properly when it determined the birds were no different than other bald eagles.

The ferruginous cactus pygmy-owl is found in Pima and Maricopa counties, parts of Texas and through much of Mexico. (Bob Miles, Arizona Game and Fish Department)
Dec 4, 2014

Conservation groups sue feds over cactus ferruginous pygmy owl

Two environmental groups filed a lawsuit Tuesday aimed at forcing the federal government to protect Arizona’s diminishing cactus ferruginous pygmy owl population under the Endangered Species Act.

The Colorado River flows through the Grand Canyon. A federal study found that fish in the Grand Canyon and 20 other national parks in the West have trace amounts of mercury. (U.S. Geological Survey Photo)
Apr 22, 2014

Federal study finds mercury in trout caught in three Grand Canyon creeks

With their natural beauty and protected environments, the Grand Canyon and other national parks in the West would seem removed from having mercury in their streams and rivers.

A California condor takes a break at the Grand Canyon. (National Park Service Photo)
Apr 25, 2013

Environmental group renews call for ban on lead ammunition in condor’s range

Despite a significant reduction in Arizona hunters using lead ammunition, an environmental group says endangered California condors in Kaibab National Forest are still dying from lead poisoning.

The Kanab mine is one of several uranium mines in northern Arizona that could be reopened, despite a ban on new mines near the Grand Canyon. Conservation groups have sued to block it and the Arizona 1 mine, which is already back in operation. (Photo courtesy the Center for Biological Diversity)
Feb 5, 2013

Appeals court upholds reopening of uranium mine near Grand Canyon

A federal appeals court Monday upheld the government’s decision to let a uranium mine near Grand Canyon National Park continue to operate under environmental standards now decades old.

Jan 28, 2013

Endangered species status, habitat proposed for fish in Arizona

WASHINGTON – The U.S. Fish and Wildlife Service on Jan. 25 proposed listing a small freshwater fish as an endangered species and setting aside almost 300 miles of Arizona and New Mexico streams as critical habitat for the fish.

Feds: Mexican owl recovery could cost $42M by 2022
Dec 18, 2012

Mexican spotted owl recovery could cost $42M by 2022 feds say

The federal government estimates it will cost more than $42 million over the next decade to help get the Mexican spotted owl off the national list of threatened species.

A captive Mexican gray wolf at the Sevilleta Wolf Management Facility in New Mexico in 2011. The U.S. Fish and Wildlife Service has declined to identified the wolves, found in Arizona and New Mexico, as separate from the larger gray wolf population. (Photo courtesy Dan Shaw/U.S. Fish and Wildlife Service)
Dec 11, 2012

Conservation group sues – again – to protect Mexican gray wolf in Arizona

For the second time in less than two weeks, a Tucson-based conversation group has sued the federal government over its handling of the Mexican gray wolf.

Jun 22, 2012

Knock on Wood

Environmentalists, the U.S. Forest Service and politicians thought they finally had a plan for thinning the state’s forests after years of disagreement.

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