Hawaii Enlists Urchins to Help Corals Resist Algae Invasion loading...
Hawaii Enlists Urchins to Help Corals Resist Algae Invasion
In Kane'ohe Bay, invasive algae was smothering coral reefs. But scientists have found a clever new way to clean them up.
We Know West Antarctica Is Melting. Is the East In Danger, Too? loading...
We Know West Antarctica Is Melting. Is the East In Danger, Too?
For years, scientists thought that icy, remote East Antarctic glaciers were stable. But that may no longer be the case.
This Island Nation Is Banning Plastic loading...
This Island Nation Is Banning Plastic
Dominica plans to become the world's first climate resilient nation, and banning single-use containers is one step they're taking to get there.
Biodiversity Is In Free Fall. Here’s How We Can Fix It. loading...
Biodiversity Is In Free Fall. Here’s How We Can Fix It.
The tropics are Earth's life support system. Start there.
Why a Quiet Hurricane Season Isn't Necessarily a Good Thing loading...
Why a Quiet Hurricane Season Isn't Necessarily a Good Thing
A warming Arctic may cause storms to track farther west, increasing odds of landfall.
Mass Shark Extinction Triggered by Dinosaur-Killing Asteroid loading...
Mass Shark Extinction Triggered by Dinosaur-Killing Asteroid
By studying fossilized shark teeth, researchers have found that the same asteroid that killed the non-avian dinosaurs laid groundwork for today’s shark species.
Will Grizzly Bears Survive Being Hunted? loading...
Will Grizzly Bears Survive Being Hunted?
As two states plan hunts this fall, fierce debate brews over whether Greater Yellowstone populations will be sustainable.
Cracking the Secrets of Old Faithful's Geyser Eggs loading...
Cracking the Secrets of Old Faithful's Geyser Eggs
Researchers get their first look at a geological 'gobstopper' from Yellowstone, which may hold clues about its iconic geyser's past and future.
Watch Corals Form a ‘Wall of Mouths’ to Catch and Eat Jellyfish loading...
Watch Corals Form a ‘Wall of Mouths’ to Catch and Eat Jellyfish
When your mouth is tiny, teamwork can help to take down enormous prey.
Are Europe's Historic Fires Caused By Climate Change? loading...
Are Europe's Historic Fires Caused By Climate Change?
The heat wave toasting Europe dried out its foliage. That made everything much more likely to catch fire.
About the Show

Join Harry Marshall and his fearless crew into the Amazonia, as they battle oppressive heat and hordes of insects to examine the world's mightiest river and film seldom-seen creatures and sights.

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