How On Earth
How On Earth is a 25-minute news magazine about science, environment, technology, and more. The show is produced by volunteers at KGNU community radio in the Boulder-Denver area.
- Indexed episodes, last 90 days
- 10
- Latest publication
- Sep 29, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 26, 2026
Latest episodes
Youth+Adult Climate Engagement (opens the original)
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From Climate Week to Societal Climate Engagement (start time: 1:22) Last week tens of thousands of people from environmental nonprofit organizations, private companies, academia and other sectors came together in New York City for Climate Week NYC, which coincided with the United Nations General Assembly and the UN Climate Summit. While climate activists, communicators and … Continue reading "Youth+Adult Climate Engagement"
Symbiosis – Maybe We Are All Living Together (opens the original)
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In this week’s show, Beth speaks with author and evolutionary biologist, Rowan Hooper, discussing the themes and examples of symbiosis from his current book, Togetherness: Symbiosis and the Hidden Story of Life’s Greatest Collaborations. He explored the history of study of symbiosis, as well as wonderful stories illustrating this complex phenomenon. And, he went beyond … Continue reading "Symbiosis – Maybe We Are All Living Together"
Measuring War: Aaron Clauset (opens the original)
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CU Boulder Computer Scientist Aaron Clauset says military leaders frequently underestimate the ultimate length and size of a war. Clauset offers a new way to measure wars, not just by counting deaths at a war’s end – his research shows how death rates change, throughout a war. This provides insights into what causes wars to … Continue reading "Measuring War: Aaron Clauset"
How Megafires are Transforming Conifer Forests (opens the original)
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Forests Vanishing in Wake of Megafires (start time: 7:55) Increasingly large and hot wildfires are turning many conifer-dominated forests in the western U.S.and Canada into shrublands or grasslands, largely by making it impossible for ponderosa and other pines to reseed themselves. The stakes are high, for flora and wildlife, as well as humans. For instance, … Continue reading "How Megafires are Transforming Conifer Forests"
Screens & Tech Safety . . . in Schools (opens the original)
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Teaching through screens is part of getting kids ready for the digital world. But when do tech and screens help students and when do they get in the way? CU-Boulder Journalism Student Juliana Krigsman explores these questions with teachers, with Boulder Valley School District’s Academic Services Director Lynn Gershman, and with CU-Boulder Psychology and Neuroscience … Continue reading "Screens & Tech Safety . . . in Schools"
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