KGNU - How On Earth

Climate Change

Bird Conservation

Composting

Seahorse

Habitat Preservation

Wolves

Environmental Education

Owls

Rangeland Restoration

Environmental Conservation

Rewilding

Colorado

Sustainability

Soil Properties

Sagebrush

Chickadee Behavioral Studies

Deathbed Visions

Multiple Sclerosis

Conservation

Community Engagement

The KGNU Science Show

29 ratings

Publishes	Weekly	Episodes	755	Founded	15 years ago
Number of Listeners		Categories	Social SciencesScienceNatural Sciences

Listen to this Podcast

Guests Hosts Reviews Charts Talking Points

Latest Episodes

Hepatitis B Vaccination: Just the Facts

On today’s science show we hear from vaccine researchers Rochelle Walensky and Angela Ulrich, and physician/scientist Peyton Thompson, about the safety and efficacy of the hepatitis B vaccine. This is one of 6 that have been removed from the list of ... more

27 Jan 2026 • 26 min

Water Your Winter Trees

Newly planted trees and evergreens ESPECIALLY need extra winter water. Photo cc City of Boulder

Water your trees! This warm, dry winter means urban trees need extra water to stay healthy. City of Boulder foresters Patrick LaPhilliph and Andrew Hol... more

20 Jan 2026 • 25 min

Improving Law Enforcement Behavior through Artificial Intelligence

Renee Good — footage filmed by ICE agent who fatally shot her a moment later.

We speak with experts about how artificial intelligence combined with Police Body Camera footage improved professionalism in the Aurora Colorado Police Department. Guests ... more

13 Jan 2026 • 26 min

Colorado’s Wildlife Action Plan, etc.: Pt. II

Black-footed ferret Photo credit: Richard Reading

Protecting Wolves, ferrets, prairie dogs, vultures, etc. (start time: 3:39) How effective are Colorado’s efforts to preserve vulnerable species – wolves, black-footed ferrets, bears, prairie dogs and ... more

6 Jan 2026 • 26 min

Key Facts

Accepts Guests

Contact Information

Podcast Host

Number of Listeners

Find out how many people listen to this podcast per episode and each month.

Similar Podcasts

People also subscribe to these shows.

Science FridayScience Friday and WNYC Studios

The DailyThe New York Times

Bulwark TakesThe Bulwark

Dan Snow's History HitHistory Hit

Recent Guests

Dr. Peyton Thompson

Assistant Professor of Pediatrics and Director of the Pediatric Infectious Diseases Fellowship Program at the University of North Carolina in Chapel Hill

University of North Carolina

Episode: Hepatitis B Vaccination: Just the Facts

Dr. Rochelle Walensky

Professor of medicine at Harvard Medical School and a member of the Vaccine Integrity Project

Harvard Medical School

Episode: Hepatitis B Vaccination: Just the Facts

Dr. Angela Ulrich

Infectious disease epidemiologist at the Center for Infectious Disease Research and Policy, or CIDRAP.

University of Minnesota

Episode: Hepatitis B Vaccination: Just the Facts

Anthony Tassone

Head of Truleo, a company analyzing police body camera footage with AI

Truleo

Episode: Improving Law Enforcement Behavior through Artificial Intelligence

Dr. Ian Adams

Assistant Professor of Criminology and Criminal Justice at the University of South Carolina

University of South Carolina

Episode: Improving Law Enforcement Behavior through Artificial Intelligence

Dr. Richard Reading

Chair of the Colorado Parks and Wildlife Commission and vice president of science and conservation at the Butterfly Pavilion.

Butterfly Pavilion

Episode: Colorado’s Wildlife Action Plan, etc.: Pt. II

Dr. Lisa Gardiner

Coral Reef Ecologist and Paleobiologist, author of 'Reefs of Time'

Unexpected

Episode: Coral: Past, Present, Future

Simon Winchester

Author and historian known for works such as *The Professor and the Madmen*

Episode: Wind: It’s Past & Future

Jennifer Frazer

Award-winning scientist and writer

Author of The Slime Mold's Guide to World Domination

Episode: World Domination…by Slime Molds?

Hosts

Beth Bennett

Host of How On Earth, volunteer, and a significant contributor to science-focused discussions.

Shelly Schlender

Co-host and production contributor with a focus on science communication and education.

Joel Parker

Co-host with a specialty in science education and community outreach.

Susan Moran

Co-host and advocate for ecological awareness and science literacy.

Reviews

4.3 out of 5 stars from 29 ratings

Awesome Podcast!!!
Beth, host of the KGNU - How on Earth podcast, highlights all energy, science, climate and more in this can’t miss podcast! The host and expert guests offer insightful advice and information that is helpful to anyone that listens!
Apple Podcasts
5
roweereyes
Philippines4 years ago
Interesting
This is a very interesting show.
Apple Podcasts
5
Lloydmusic
Canada8 years ago
I don't even live in Colorado and I love this podcast
I discovered this podcast about 6 months ago and have not only listened to every episode since, I have begun downloaded older episodes and listening. Great variety of topics. Knowledgeable hosts and guests. Professionally done podcast. Highly recommended.
Apple Podcasts
5
Old UNIX guy
United States8 years ago

Embed These Reviews on a Website

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

The podcast is noted for addressing crucial environmental issues and scientific topics that resonate well beyond the local audience.

Listeners praise the engaging discussions and insightful expert guests, highlighting the informative nature of the content.

Reviews commend the production quality and the hosts' ability to simplify complex concepts for a general audience.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts	#238	Australia/Science/Natural Sciences
Apple Podcasts	#84	Switzerland/Science/Natural Sciences
Apple Podcasts	#94	China/Science/Natural Sciences
Apple Podcasts	#129	Spain/Science/Natural Sciences
Apple Podcasts	#131	Finland/Science/Natural Sciences
Apple Podcasts	#132	Taiwan/Science/Natural Sciences

Talking Points

Recent interactions between the hosts and their guests.

Colorado’s Wildlife Action plan: Pt. I

Q: How do the state wildlife action plans relate to existing models of species protection?

The plans focus on species of greatest conservation need and help prioritize where the state should put its resources.

Colorado’s Wildlife Action plan: Pt. I

Q: What is the Colorado Parks and Wildlife's main mission?

Its main mission is to connect people to nature through parks and wildlife conservation.

Winter is Coming: Why Leaves Fall

Q: Why don't evergreens shed their needles?

Evergreens use a different evolutionary strategy and create a corky layer that allows them to retain their needles for longer periods.

Winter is Coming: Why Leaves Fall

Q: What accounts for the variability in fall colors?

Variability is influenced by environmental factors such as water availability and temperature, especially warm days followed by cool nights.

Winter is Coming: Why Leaves Fall

Q: If they're not turning color, what are these stunning trees doing?

The trees display brilliant colors due to the revealing of pigments that were already present in the leaves as chlorophyll degrades.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About KGNU - How On Earth

What is KGNU - How On Earth about and what kind of topics does it cover?

Exploring a range of topics at the intersection of science and society, this podcast features in-depth discussions with experts across various fields including ecology, climate change, health, and technology. The content highlights current scientific research, environmental challenges, and innovations while addressing both societal implications and practical applications. Each episode offers insights from professionals such as scientists, educators, and health experts, making it suitable for curious minds who seek to understand the complexities of the world around them.

Where can I find podcast stats for KGNU - How On Earth?

Rephonic provides a wide range of podcast stats for KGNU - How On Earth. We scanned the web and collated all of the information that we could find in our comprehensive podcast database. See how many people listen to KGNU - How On Earth and access YouTube viewership numbers, download stats, audience demographics, chart rankings, ratings, reviews and more.

How many listeners does KGNU - How On Earth get?

Rephonic provides a full set of podcast information for three million podcasts, including the number of listeners. View further listenership figures for KGNU - How On Earth, including podcast download numbers and subscriber numbers, so you can make better decisions about which podcasts to sponsor or be a guest on. You will need to upgrade your account to access this premium data.

What are the audience demographics for KGNU - How On Earth?

Rephonic provides comprehensive predictive audience data for KGNU - How On Earth, including gender skew, age, country, political leaning, income, professions, education level, and interests. You can access these listener demographics by upgrading your account.

How many subscribers and views does KGNU - How On Earth have?

To see how many followers or subscribers KGNU - How On Earth has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to KGNU - How On Earth?

These podcasts share a similar audience with KGNU - How On Earth:

1. Science Friday
2. The Daily
3. Bulwark Takes
4. Dan Snow's History Hit

How many episodes of KGNU - How On Earth are there?

KGNU - How On Earth launched 15 years ago and published 755 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact KGNU - How On Earth?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

Where can I see ratings and reviews for KGNU - How On Earth?

Rephonic pulls ratings and reviews for KGNU - How On Earth from multiple sources, including Spotify, Apple Podcasts, Castbox, and Podcast Addict.

View all the reviews in one place instead of visiting each platform individually and use this information to decide if a show is worth pitching or not.

How do I access podcast episode transcripts for KGNU - How On Earth?

Rephonic provides full transcripts for episodes of KGNU - How On Earth. Search within each transcript for your keywords, whether they be topics, brands or people, and figure out if it's worth pitching as a guest or sponsor. You can even set-up alerts to get notified when your keywords are mentioned.

What guests have appeared on KGNU - How On Earth?

Recent guests on KGNU - How On Earth include:

1. Dr. Peyton Thompson
2. Dr. Rochelle Walensky
3. Dr. Angela Ulrich
4. Anthony Tassone
5. Dr. Ian Adams
6. Dr. Richard Reading
7. Dr. Lisa Gardiner
8. Simon Winchester

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

Find and pitch the right podcasts

We help savvy brands, marketers and PR professionals to find the right podcasts for any topic or niche. Get the data and contacts you need to pitch podcasts at scale and turn listeners into customers.

Try it free for 7 days