grand canyon national park

NPS

Grand Canyon National Park has surpassed its visitation record for the second year in a row.

National Park Service

Auto exhaust at the Grand Canyon may be ruining more than just the view; it might be harming native plants, in particular. The National Park Service wants to know just how harmful excess nitrogen is to the ecosystem, so they offered a grant to soil ecologist Nancy Johnson at Northern Arizona University. Her study involved taking samples of soil, air and pinyon pine needles at the heavily trafficked South Rim. 


Pete McBride

Fewer than three dozen people have ever hiked the entire 800-mile length of the Grand Canyon. Two journalists on assignment for National Geographic completed the journey last month and have now been nominated as the magazine’s 2017 Adventurers of the Year. Arizona Public Radio’s Ryan Heinsius reports. 


With just over two months left in office, President Obama has the option to declare national monuments under the Antiquities Act. Arizona Public Radio’s Ryan Heinsius reports, it’s unclear whether he’ll use that authority, and how the Trump administration may respond to such declarations. 


National Geographic

Officials say Grand Canyon West has passed the 1 million mark for visitors this year.

The West Rim tourism business topped 1 million annual guests for the first time last December. That was an increase of more than 13 percent from 2014.

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