Earth Notes
Every Wednesday
Earth Notes, KNAU’s weekly environmental series, explores the Colorado 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.
Latest Episodes
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Some things can only be found if you know exactly where to look. The Peebles Navajo Cactus, at less than 3 centimeters tall, doesn’t seem to want to be found. Its thorny spines mimic surrounding grit so closely, it nearly disappears into the sand. -
A new study on the condor has revealed fundamental new insights into the lives of these critically endangered bird of prey. -
As winter sets in, rodents seek warmth and food — often in our homes. There are non-toxic ways to control them, from rodent birth control to attracting natural predators. -
A historic Chino Valley farm that supported Fred Harvey’s railroad dining empire over a century ago is on track to become part of a new state park. -
In 2013, hiker Gary Hartley stumbled upon the fossilized remains of two mammoths in the Rio Puerco Canyon on the Colorado Plateau in northern New Mexico. -
The Clovis people hunted mammoths and other Ice Age giants more than 13,000 years ago. Archaeologists are uncovering what happened when those animals disappeared. -
The Clovis people hunted mammoths across the Southwest more than 13,000 years ago. Archaeologists are still uncovering what their tools and camps reveal. -
Some spiders don’t just spin webs — they listen through them. Researchers found that orb-weavers can sense vibrations on their silk to detect prey and danger. -
On a walk through the woods, you might see a strange-looking growth up in the branches of a tree. It’s called witches’ broom. -
Woodlands in western North America are changing fast. The Mexican Spotted Owl is an emblematic, threatened species that feels the effects of these transitions.
