Earth Notes

By KNAU Arizona Public Radio

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... more

Download on the App Store

Download on the App Store

Get it on Google Play

FAQs about Earth Notes:

How many episodes does Earth Notes have?

The podcast currently has 94 episodes available.

Earth Notes episodes:

December 10, 2025 Earth Notes: Aeroecology of Condors
A new study on the condor has revealed fundamental new insights into the lives of these critically endangered bird of prey.
...more
2min
December 03, 2025 Earth Notes: Non-Toxic Rodent Control
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.
...more
2min
November 26, 2025 Earth Notes: Chino Valley’s Fred Harvey Farm
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.
...more
2min
November 25, 2025 Earth Notes: The Hartley Mammoth Site
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.
...more
2min
November 12, 2025 Earth Notes: Clovis Culture and Megafauna
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.
...more
2min
November 05, 2025 Earth Notes: Clovis Culture
The Clovis people hunted mammoths across the Southwest more than 13,000 years ago. Archaeologists are still uncovering what their tools and camps reveal.
...more
2min
October 29, 2025 Earth Notes: Spiders That Hear Through Their Webs
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.
...more
2min
October 22, 2025 Earth Notes: Witches' Broom
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.
...more
2min
October 15, 2025 Earth Notes: Mexican Spotted Owls & Changing Landscapes
Woodlands in western North America are changing fast. The Mexican Spotted Owl is an emblematic, threatened species that feels the effects of these transitions.
...more
2min
October 08, 2025 Earth Notes: Biochar
Sometimes, something we think of as waste can be made valuable again. Consider biochar.
...more
2min

FAQs about Earth Notes:

How many episodes does Earth Notes have?

The podcast currently has 94 episodes available.