environment

KNAU and Arizona News
11:30 am
Thu June 18, 2015

House Bill Would Reverse Controversial Land Swap and Copper Mine on Tonto NF

The Oak Flat Campground has been the site of a five-month encampment of protesters who oppose the proposed copper mine that would take place there.
Credit Ryan Heinsius

An Arizona congressman has introduced a bill to stop a proposed copper mine on the Tonto National Forest. As Arizona Public Radio’s Ryan Heinsius reports, Tucson Rep. Raul Grijalva wants to reverse the federal land swap that paved the way for the mine.

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Earth Notes
5:00 am
Wed June 17, 2015

Earth Notes: Returning Grass to the Grasslands

The back of its wings glinting rust-red in the sun, a ferruginous hawk scans the grasslands below for ground squirrels and jackrabbits, two choice meals. These hawks rely on broad vistas to catch prey. But shrubs and juniper trees have steadily invaded many of their hunting grounds in the Southwest.

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KNAU and Arizona News
3:23 pm
Mon June 15, 2015

Park Service Opposing Bill to Cull Grand Canyon Bison Herd

Bison within Grand Canyon National Park are destroying vegetation, tainting water supplies and trampling archaeological sites. A U.S. Senate bill would allow hunting of the animals within near the North Rim, but the Park Service says the legislation would interfere with its own ongoing internal bison management study.
Credit AP Photo/The Avalanche-Journal, Josie Musico

The National Park Service is opposing a U.S. Senate bill designed to reduce the number of bison at the North Rim of Grand Canyon National Park. As Arizona Public Radio’s Ryan Heinsius reports, park officials say it would interfere with their own bison management study currently in the works.

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Earth Notes
5:00 am
Wed June 10, 2015

Earth Notes: Roasting Agaves

It’s tough to miss a century plant in full bloom. The plant’s base of wide, pointed leaves sends up an enormously tall stalk that blooms brilliantly in spring. Also called agave or mescal, it’s a plant that’s common throughout the desert Southwest.

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KNAU and Arizona News
5:22 pm
Mon June 8, 2015

Game and Fish Suing Over Mexican Grey Wolves

Credit KTAR

 The Arizona Game and Fish Department is suing the federal government to force it to develop an updated recovery plan for endangered Mexican grey wolves.

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KNAU and Arizona News
5:00 am
Wed June 3, 2015

Passive Solar Home Design Hindered by Mountain Views

Ron Hubert enjoys mountain views from his home near Baderville.
Credit Cindy Carpien/NPR

Chilly winters and sunny skies make Flagstaff an ideal place for passive solar construction. A house with the right orientation and south-facing windows can collect free energy from the sun—no solar panels required. But one thing stands in the way of Flagstaff becoming a model for passive solar home design: the beauty of a mountain.

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Earth Notes
4:45 am
Wed June 3, 2015

Earth Notes: Criollo Cattle

When most of us hear the word “cattle” we think of an animal that came to the Southwest in the late 1800s. But one breed arrived here long before most other settlers.

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KNAU and Arizona News
4:08 pm
Thu May 21, 2015

U.S. Fish and Wildlife Officials Kill Troubled Mexican Gray Wolf

An endangered Mexican gray wolf. About 110 of the federally protected animals make up the experimental population in eastern Arizona and New Mexico.
Credit endangeredwolfcenter.org

An endangered Mexican gray wolf has been shot and killed by wildlife officials in western New Mexico. As Arizona Public Radio’s Ryan Heinsius reports, the federally protected animal had been involved in so-called “nuisance behavior.” 

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KNAU and Arizona News
1:39 pm
Tue May 5, 2015

Hybrid-Electric Motor Completes Colorado River Trip Through the Grand Canyon

Participants in the April trip included (from left) GCROA Executive Director John Dillon, guide Sarah Hatch, Grand Canyon National Park Superintendent Dave Uberuaga, guide and trip leader Steve Hatch, Fred Thevinen, Trent Keller, and River District Ranger Brian Bloom.
Credit Grand Canyon River Outfitters Association

For the first time, a hybrid-electric motor has powered a Colorado River trip through the entire Grand Canyon. As Arizona Public Radio’s Ryan Heinsius reports, the technology is being developed through a partnership between commercial river outfitters and the National Park Service.

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State Capitol News
7:58 am
Tue April 14, 2015

Gov. Ducey Signs Bill Blocking Plastic Bags Bans By Cities

Credit switchboard.nrdc.org

Gov. Doug Ducey has signed a bill that prevents towns and cities from banning single-use plastic shopping bags. As Arizona Public Radio’s Ryan Heinsius reports, supports say such bans are costly to businesses, but opponents say they’re more costly to the environment.

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