environment

Earth Notes: Plant Galls

Feb 14, 2018
Gary Alpert

Lots of plants bear strange-looking swellings on their leaves and stems. These wart-like growths are called galls, and they’re the direct result of mites and insects injecting chemicals into the plant’s tissue during rapid cell division.


Earth Notes: Tough Dirt

Feb 7, 2018
Jim Harrigan, NRCS

The Colorado Plateau is a land of constant discovery—both above and beneath our feet. Recently a surprising soil was unearthed that fit a previously empty slot in the U.S. Department of Agriculture’s established soil classification system. 

Arizona Game and Fish Department

Sixty elk from northern Arizona start a 2,000-mile journey this month to a wildlife reserve in West Virginia. Elk were eradicated by overhunting in the eastern United States more than a century ago and now West Virginias want to bring the animals back. Organizers of the relocation project say it’s about correcting past mistakes, and Arizona is in a unique position to help. KNAU’s Melissa Sevigny reports.


Earth Notes: The Laughing Jim Mushroom

Jan 31, 2018
Gary Alpert

The Colorado Plateau is rich in wild mushrooms. Many of these fabulous fungi are delicious to eat, if you know what you’re doing. Others taste bad, and some are highly toxic.


Melissa Sevigny

The City of Flagstaff will seek public input this year on a plan to take action on climate change. KNAU’s Melissa Sevigny reports.


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