EarthDate is a short-format weekly audio program delivering concise, science-based stories about the Earth: its geology, environments, and the processes that shape our planet over deep time and today. Beginning in 2026, EarthDate is managed by Switch Energy Alliance and hosted by SEA's founder Dr. Scott W. Tinker. Together, we explore earth systems, natural resources, and their relevance to everyday life, with a focus on clear, accessible science education for broad audiences. EarthDate is written and directed by Emmy-winning filmmaker Harry Lynch, and researched by Lynn Kistler. We search for captivating stories to remind listeners that science can enlighten, educate and entertain.
First broadcast in April, 2017, EarthDate has proven immensely popular, airing on more than 460 radio stations, and now heard in all 50 states, Canada and the U.K. EarthDate is available free for any radio station via Content Depot or on CD.
EarthDate broadcasts are supported by the fully-searchable EarthDate.org website, where listeners can hear over 425 episodes and read and download extensive background materials to learn more about each scientific topic. It’s perfect for teachers to use to complement science instruction!
EarthDate is a production of the Bureau of Economic Geology. The Bureau is the State Geological Survey of Texas, and is the oldest research unit at The University of Texas. The Bureau conducts cutting-edge earth science research across the globe at the intersection of energy, the environment, and the economy.
For sponsorship options, or to make a financial donation to EarthDate, please contact Mark W. Blount.
From our station partners:
"Our listeners really enjoy and appreciate this Broadcast and it adds to our educational outreach from this small LP FM station. Thank you and all the staff for what you do." - David Bernard, Business Manager, WSWO-LP, Oldies97.3 and Daytonoldies.org
"I’ve been using them for months now...these are such informative, interesting short features, and I really do want to keep them on our schedule!" - Lottie Squires, WCKB 780, Dunn, NC
"I applaud the work you and your colleagues are doing. Radio needs more programs such as yours, programs that make one wonder about God’s incredible creation that we all take for granted." Rod Fazzari, KHSS-FM, Walla Walla, WA
From our listeners:
"Just wanted to let you know that you have helped HUGELY with our homeschooling [during the pandemic]. Our kids are thankfully pretty self-directed, but having EarthDate to point them to has been amazing. [Our son] is tearing through the episodes, and we are having some pretty interesting dinner and hike conversations. You have a big 9-year-old fan! Anyway, what a fantastic podcast series!" Parent of a 9-year-old-fan
Credits
Narrator / Executive Producer: Scott W. Tinker
Writer / Director: Harry Lynch
Program Manager: Mark W. Blount
Content Producer / Research / Fact Sheet Development: Lynn Kistler
Recording / Editing: Morgan Honaker, Chez Boom Audio
Station Relations: Casey Walker
Web Design and Production: Adam Kirk and Nancy Cottington
Graphic Design: Jamie Coggin
Music: Patrick Murray
