Diane Hope

Extended drought on the Navajo Nation has been tough on grazing animals and the grasses that usually support them. Hauling in more hay from outside the reservation has been a short-term fix for feeding hungry livestock. But it has contributed to an invasion – of noxious weeds. 


Fossil bones and ancient stone points clearly show that both giant mammoths and hunting peoples roamed the high Southwest some 13,000 years ago. But did these two types of mammals meet? Rock art researcher Ekkehart Malotki thinks that a petroglyph panel on the San Juan River holds a tantalizing clue.


Wikipedia

For decades now, puzzled birdwatchers in the southern tier of states have noticed that in some years, birds from Canada's boreal forests turn up for unexpected winter sunshine vacations in vast numbers.

After smoking, the second-leading cause of lung cancer is colorless, odorless, tasteless—and can come from right underfoot. Radon is a naturally occurring gas formed from the radioactive decay of radium and uranium. Those elements are present in most soils and rocks, though usually in very small concentrations.


A walk in the woods doesn’t usually happen in a landscape of starkly beautiful desert mesas dotted with narrow-leafed yucca and rabbitbrush.


The Fort Valley Art Barn, located just north of the Pioneer Museum on Highway 180 in Flagstaff, has had a long and varied life. Originally constructed in the late 1880s to house cattle, hay and farm equipment, by the 1960s it had fallen into disrepair.


In the global carbon economy, forests act like leafy savings accounts. They take carbon dioxide from the air during photosynthesis, convert it into biomass, and deposit it for years or even centuries in wood and soil.


Bears Ears Coalition

Among the most prominent landmarks of southern Utah are the Bear’s Ears—a pair of buttes south of the Dark Canyon Wilderness that are visible for many miles. They’re known to Navajo people as the birthplace of the celebrated “Headman” Manuelito, who was known for resisting federal efforts to forcibly remove Navajos from the region.

wikipedia

It's a good thing most inhabitants of the Colorado Plateau don't turn to the same strategy in dealing with a tough climate as tiger salamanders do. When they're so inclined, these big amphibians sometimes react to food shortages by eating each other.

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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