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Gila topminnows wait to be introduced to new habitat in the acequia at Mission Garden.

Gila topminnow repopulate native waters

A tiny, endangered native fish is making a comeback in the Santa Cruz River.
Border wall construction near Walker Canyon, east of Nogales.

Conservation group: Border wall construction continues

The Center for Biological Diversity says construction is continuing in spite of the President's order to stop it.
Aerial view of the border wall at the Tinajas Altas Mountains near Yuma, AZ.

Biden halted border wall construction. Now what?

Environmental and human rights advocates hope to steer the administration toward a new vision at the border.
The Bureau of Land Management used prescribed burns across many of its properties for habitat improvement and to reduce the risk of severe wildfires.

BLM plans prescribed burn in San Pedro conservation area

The agency is planning to conduct a prescribed burn in the San Pedro Riparian National Conservation Area sometime this month.
Border wall construction at Guadalupe Canyon in southeastern Arizona.

After months of border wall construction, a look at the damage done

As President Biden takes the helm, conservation groups take stock of the border wall’s environmental impacts.
Guadalupe Canyon is a remote, rugged area in the Southwest where the Trump administration is currently racing to complete construction of a border wall.

In Arizona, building a wall — and destroying a canyon

In a mountain range too steep to cross, the Department of Homeland Security is spending millions of dollars on five miles of border wall.
Construction nears the end on the wall section across the San Pedro River in October 2020.

DHS marks milestone as wall construction severs wildlife corridors

New border wall construction is nearly done in some of the most environmentally sensitive areas in Arizona.
Fishing boats float on the Sea of Cortez outside the little town of San Felipe, Baja California, in October 2018.

Mexico fishermen scoff at governor's suggestion to switch to taxi driving

The suggestion comes as fishermen in the Sea of Cortez struggle with increasing restrictions meant to protect a highly endangered porpoise.
Sonoran desert tortoise.

Tortoise regains some protections, as agency agrees to revisit endangered status

The action resulted from a lawsuit filed last year by conservation groups.
Quitobaquito pond, July 18, 2020.

'A worst-case scenario': Leaks, dust, water pumping and drought plague Quitobaquito

Border-hugging spring and its pond are sacred to Hia C-ed O'odham and the Tohono O'odham communities
Scientists have been studying the Colorado River, shown here from above Deer Creek Falls, for nearly four decades to understand the environmental impacts of the Glen Canyon Dam on a water source used by around 40 million people in seven states. The environment, climate change, tribal rights and those water users will all be considered in river-management talks expected to begin later this year.

Humpback chub 'alien abductions' help frame the future of the Colorado River

While not considered very "charismatic," this keystone fish plays an important role in water policy.
A drone photo shows construction work beginning in the San Pedro riverbed on June 30, 2020.

Border wall construction begins across San Pedro River

The controversial project across Arizona's last free-flowing river is underway.
A construction worker works on installing 30-foot bollard fencing along Arizona's border with Mexico in Organ Pipe Cactus National Monument, February 2020.

Federal court rules president's use of military funds for border wall is illegal

The 9th Circuit Court of Appeals issued their ruling Friday.
With residences in the foreground, the Bighorn Fire burns in the Santa Catalina Mountains on June 10, 2020.

Wildfires burn across Arizona

We discuss the year's fire outlook and what ecological changes result from such fires.
The Bighorn Fire burns in the Pusch Ridge Wilderness near Oro Valley on Saturday, June 6, 2020. The fire was caused by lightning on the evening of June 5, 2020.

Drone flights cost firefighters time in north Tucson mountain blaze

Drone operators could face prison time and fines if they are caught interfering with airborne crews.
Drone camera image of border wall construction along the San Pedro River in early June, 2020.

Border wall construction results in 'loss of trust' from community

While many locals are disturbed by the actual construction, they say being ignored in the process has been equally frustrating.

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