Earth Notes

The Colorado Plateau is one of North America’s human and environmental treasures. Ancient cultures have called this land of sun-baked deserts and lush mountain landscapes home for centuries. Earth Notes, KNAU’s weekly environmental series, explores the Plateau by telling stories of the intricate relationships between environmental issues and our daily lives.

Rooted in science and wrapped in human interest, the two minute long segments encourage listeners to think of themselves as part of the solution to environmental problems. Upbeat and informative, the program tries to foster hope and dampen despair about the environment, and motivate listeners to become more conscious and informed stewards of the Colorado Plateau.

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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.

Nature makes people feel better. Studies have shown that hospital patients who can see a natural scene from their window—or even an image of nature—typically heal faster than those cut off from the outdoors.

How do we know who lives where? Increasingly, land managers are turning to a fun and educational event to find out: the bioblitz.

Earth Notes: Returning Grass to the Grasslands

Jun 17, 2015

The back of its wings glinting rust-red in the sun, a ferruginous hawk scans the grasslands below for ground squirrels and jackrabbits, two choice meals. These hawks rely on broad vistas to catch prey. But shrubs and juniper trees have steadily invaded many of their hunting grounds in the Southwest.

It’s tough to miss a century plant in full bloom. The plant’s base of wide, pointed leaves sends up an enormously tall stalk that blooms brilliantly in spring. Also called agave or mescal, it’s a plant that’s common throughout the desert Southwest.

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