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U.S. government weakens application of Endangered Species Act

The Trump administration moved on Aug. 12 to weaken how it applies the 45-year-old Endangered Species Act, ordering changes that critics said will speed the loss of animals and plants at a time of record global extinctions.

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North Rim fires: Castle Fire nears burnout phase, Ikes Fire continues to grow

Three new wildfires fires contained on North Rim of Grand Canyon National Park

Because of warmer, drier weather conditions, two lightning-caused wildfires burning on the North Rim are producing an increased amount of visible smoke.

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Rosemont on hold: Judge blocks copper mine project in Arizona national forest

A federal judge has overturned the U.S. Forest Service's approval of plans for a new copper mine in southeastern Arizona in a decision that comes amid a larger battle across the West over the use of public lands for mining.

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Tourism in the age of Instagram: Revenue adds challenges to preservation

Tourism continues to expand in Arizona, a boon for jobs, development and tax revenue, but the growth presents challenges to preserving the natural beauty drawing visitors to the state.

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Feds: Grizzlies could return to North Cascades

An effort to return grizzly bears to North Cascades National Park is back in motion after officials announced public comment will be reopened.

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Youth hear a native perspective during educational journey to uranium mine near Grand Canyon

On the trail of uranium ore

A group of young environmentalists are tracing the haul route of uranium ore from Canyon Mine to the White Mesa Mill near Bluff, Utah, while also meeting with indigenous leaders who are giving them a crash course in environmental action.

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Native artist Duane Koyawena commemorates Museum Fire firefighting efforts in painting

In a recent painting, Hopi artist Duane Koyawena commemorated firefighting and first responder efforts.

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Grand Canyon pink rattlesnake at home in sand during summer heat

A Grand Canyon pink rattlesnake was spotted in the park for the first time this season July 19, which happened to be National Snake Day.

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Trump decides not to impose uranium quotas — for now

President Donald Trump says he will not impose quotas on importing uranium, backing away from a possible trade confrontation and breaking with a Commerce Department assessment that America's use of foreign uranium raises national security concerns.

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House panel OKs bills to rein in mining around Grand Canyon, elsewhere

Democratic lawmakers beat back a series of Republican amendments July 17 before advancing bills to restrict mining around the Grand Canyon and on tribal lands in Arizona and New Mexico.

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Utah presses forward on pipeline despite strains on Colorado River

The drive behind an enormous water project in southwestern Utah, the Lake Powell Pipeline, shows no signs of slowing even after the seven Colorado River Basin states signed a new agreement this spring that could force cutbacks and more conservation.

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Dozen zoo-born Mexican Wolf pups find new homes in wild

Twelve Mexican wolf pups are now being cared for and raised by surrogate wild wolf parents after successful efforts to introduce them into existing wolf litters in Arizona and New Mexico.

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Proposed changes to NEPA aim for more efficient environmental analysis

Under proposed new rules to the National Environmental Policy Act (NEPA), the U.S. Forest Service is hoping to streamline its environmental analysis procedures in certain circumstances while still following the requirements laid out in the NEPA.

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Critics attack administration push to ramp up uranium mining

Tribal members, environmentalists and lawmakers told a House panel June 25 that including uranium on a list of “critical minerals” opens the door to expedited mining that will put tribal lands and national parks at risk.

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Grand Canyon crews finish fire ignitions for 2.7-square-miles on South Rim

Authorities say Grand Canyon National Park has completed ignition operations on a prescribed fire.

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Grand Canyon National Park receives dark sky designation

It’s official: Grand Canyon National Park is an International Dark Sky Park.

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Snowmelt fills rivers in Southwest, easing drought fears

A welcome surge of melting snow is pouring out of the Rocky Mountains and into the drought-stricken rivers of the southwestern U.S., fending off a water shortage but threatening to push rivers over their banks.

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First Mexican Gray Wolf litter born at Phoenix Zoo in 20 years

Phoenix Zoo officials say the first litter of endangered Mexican Gray Wolf pups has been born there in 20 years.

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Kaibab National Forest’s North Zone preps for fire season

Kaibab National Forest employees held a morning brief May 31 on the North Rim of Grand Canyon in preparation for the 2019 fire season.

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US officials to put off oil leases near sacred tribal land in New Mexico

U.S. Interior Secretary David Bernhardt has agreed to put off oil and gas leasing for a year on land that Native Americans consider sacred.

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Hoover Dam ceremony marks Colorado River drought plan

Water managers are marking completion of a long-negotiated plan for 40 million people and vast irrigated farms to share crucial Colorado River water.

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Land purchases add 160-acres to Death Valley National Park

NPS has purchased 680.8 acres of private land within Death Valley National Park’s borders.

Increase in recreational and visitor access proposed for Paria Canyon- Vermilion Cliffs Wilderness area

BLM seeks public comments

A 45-day public comment period will run from May 8 to June 21.

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Noisy Yellowstone geyser roars back to life after 3 years

A noisy geyser in Yellowstone National Park has roared back to life after three years of quiet.

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BLM considers massive increase in hiker permits for The Wave

One of the most exclusive and dramatic hiking spots in the southwestern United States could see bigger crowds under a new proposal unveiled May 8.