National Park Service

The National Park Service is planning to repair the pump houses at Indian Garden and the Black Bridge near Phantom Ranch at Grand Canyon National Park.

Steve Keller/dreamstime.com

State Republican Congressman Paul Gosar has introduced a House resolution to roll back regulations on oil and gas drilling in national parks. Arizona Public Radio’s Ryan Heinsius reports.


NASA

NASA satellite imagery shows a more detailed picture of how drought has shrunk water levels and exposed the bottom of the Colorado River in the lower Grand Canyon.


Earth Notes: Controlling Kochia in the West

Feb 1, 2017
Scott Abella

In dry, disturbed soil throughout the West, a weedy invader from Eurasia has gained a tenacious foothold. Kochia scoparia, also called poor man’s alfalfa, has slender, gray-green leaves that turn an ornamental orange in autumn. Despite control efforts, this weed springs back relentlessly thanks to its bountiful seed bank.


Dan and Cindy Duriscoe, FDSC, Lowell Obs., USNO

The National Park Service says Flagstaff is seeing the benefit of the city's decades-long commitment to dark-sky friendly practices in the form of satellite images showing far less light pollution than a comparable-sized city.

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