RODRIGO BATS JPEG.jpg
Protecting Mexico's bats

Encountering vampire bats and snakes in dark caves may sound like the stuff of nightmares, but for Mexican ecologist Rodrigo Medellín it's just another day at work. As part of the Rolex Perpetual Planet Initiative, he continues to fight multiple threats to bats and is determined to overcome what he believes to be their biggest – human ignorance.

3:59 • Source: CNN
Call to Earth 16 videos
RODRIGO BATS JPEG.jpg
Protecting Mexico's bats
3:59
Now playing
• Source: CNN
Screenshot 2026-10-26 at 3.21.01 PM.png
Koalas are good hiders. Here's how you find them
3:57
Now playing
• Source: CNN
GRAY WHALE SAMPLING.jpg
A health check for whales — from the sky
3:59
Now playing
• Source: CNN
Titouan silhouette.jpg
The 'end of an era' for Coral Gardeners
4:00
Now playing
• Source: CNN
9G2A0971.JPG
Puget Sound seal pups on the road to recovery
4:01
Now playing
• Source: CNN
bijan gardening.jpg
Super-boosting coral reefs as El Niño looms
3:48
Now playing
• Source: CNN
Screenshot 2026-08-13 at 09.44.07.png
The Dutch mastered the sea but its reefs paid the price, so this company is printing new ones
2:55
Now playing
• Source: CNN
tortoise 1.jpg
A long-lost giant makes a remarkable return
4:00
Now playing
• Source: CNN
image (12).png
For the Ocean: Sylvia Earle and Titouan Bernicot
22:59
Now playing
• Source: CNN
For more than a century, National Geographic has brought the world's greatest discoveries into our homes. Now, a new museum in Washington, DC, is inviting visitors on an immersive journey into the world of exploration, conservation and storytelling.
Inside the National Geographic Museum of Exploration
3:19
Now playing
• Source: CNN
rio 1.jpg
Reforesting Rio de Janeiro
4:00
Now playing
• Source: CNN
ali ice core.jpg
Why scientists want ice from 600 meters below the surface
3:58
Now playing
• Source: CNN
stingless bee.jpg
Saving the Amazon's stingless bees
4:01
Now playing
• Source: CNN
9G2A0645.JPG
Call to Earth: Reviving India's waters
24:03
Now playing
• Source: CNN
CTE-Bearded.jpg
Bearded vulture on the brink: Conservationists in South Africa and Lesotho race to save this raptor
4:00
Now playing
• Source: CNN
UW.00_59_42_08.Still001.jpg
Underwater 'reef music' could help in coral restoration
3:59
Now playing
• Source: CNN