Sierra Club

SierraClub.org

Long before the Grand Canyon was a national park it was home to many Indigenous communities—some of whom still live there. This weekend that history will be highlighted during a special camping trip organized by the Sierra Club. The event is part of the ongoing centennial celebration of Grand Canyon National Park.

APS

The coal-burning Cholla Power Plant near Holbrook is slated to close in 2025. One of the owners, Arizona Public Service Company, is considering converting one of its three units it into a biomass facility. KNAU’s Ryan Heinsius reports.


Mike Christy/Arizona Daily Star 2014

Three Native American tribes went to court Wednesday to oppose a planned open-pit copper mine in southern Arizona.

Earth Notes: Martin Litton

Apr 3, 2019
Courtesy John Blaustein

Fifty years ago, a World War Two glider pilot and Sierra Club board member started a successful business offering dory trips down the Colorado River in Grand Canyon. Along the way, he became a warrior for wilderness.


Chicago Zoological Society

Twenty five environmental groups are calling on federal wildlife officials to release three captive-raised Mexican gray wolf packs into the wild. KNAU’s Ryan Heinsius reports, they say the endangered population needs increased genetic diversity to survive.


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