© 2026 Connecticut Public

FCC Public Inspection Files:
WEDH · WEDN · WEDW · WEDY
WEDW-FM · WNPR · WPKT · WRLI-FM
Public Files Contact · ATSC 3.0 FAQ
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

What Turned These Ancient Trees to Stone?

Season 2 Episode 3 | 7m 07s

Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, and resilience during one of Earth's most extreme periods of environmental change. What secrets do these fossilized ecosystems reveal about the prehistoric past, and how can they help predict the future of life on Earth?

Aired: 03/31/25
Extras
Celebrate the life and career of Pulitzer Prize-winning poet Mary Oliver.
Preview: 250 Years of Americana
Soybeans may soon be part of the asphalt beneath you.
A Vermont couple finds new ways to better protect their land from drought and floods.
An Iowa farm thrives as one of the state’s few Black-owned farms.
A Georgia farm keeps the produce coming year-round by planting and harvesting in different locations
See how college students are turning soybeans into new products like baby wipes.
A California farmer shares easy-to-grow mushrooms with giftable box kits.
A Minnesota farm family plants a new kind of wheat that restores the soil and saves water.
A Montana rancher honors his ancestors, and Mother Earth, by restoring native grasses to his land.
Latest Episodes
All
  • All
  • Untold Earth Season 2
  • Untold Earth Season 1
Lençóis Maranhenses boasts 350 square miles of dunes that fill crystal blue with lagoons each year.
With under 40 pupfish left in the wild, they are possibly the rarest fish on the planet.
Fossilized footprints suggest human presence in the Americas far earlier than previously believed.
The Bay of Fundy's extreme 50 foot tides carry enough potential energy to power a small city.
Every winter, giant cuttlefish gather by the thousands for a battle royale to win a mate.
In Florida’s wetlands the carnivorous pitcher plant is blurring the lines between predator and ally.
The Northern Lights captivate viewers, but there may be more to this phenomenon than meets the eye.
Discover how The Atchafalaya Basin protects Louisiana's coast from hurricanes.
Meet Pando, an ancient tree in Utah that has grown into one of Earth's largest living wonders.
How are truffles key to the survival of the forest ecosystem at large?