EarthX

An eight-year-old animal lover helps save the life of an injured sea lion, helping an endangered leatherback sea turtle.

A sea lion in San Diego has a fishhook stuck in its flipper; a group of caring kids and counselors at summer camp try to help a sea turtle hit by a boat.

Building skyscrapers from timber in Portland, Ore.; bringing back salmon and making forests healthier in the Siuslaw National Forest.

The journey of the Capitol Christmas tree from Colorado to DC.

Erika talks to the scientists behind the largest collection of high-resolution coral reef maps, which may help identify which reefs have a chance of surviving.

The journey begins on the five-year Global Reef Expedition to assess the health and resiliency of coral reefs.

Steady winds and consistent waves draw surfers and windsurfers from far and wide to Ho'okipa Beach Park on the North Shore of Maui.

Part 1/3. Nick begins his latest adventure clinging to a rock in the Andes Mountain, coming face-to-face with 40,000 breeding pairs of Magellan penguins, and visiting a factory producing hydrogen-based fuel.

Guy Pearce shows how know-how is moving Australia to the front of the green-energy race by creating ideas and change in different places: in the ocean, on the road, and in the clouds.

Guy Pearce presents three stories showing how innovators are improving wellbeing and mental health right across Australia.

Seeing a Texas container house made for a minimalist, an enchanting mosaic tile home and more.

Garrett hits the streets of St. Louis, Mo., to sample some of the Midwest's most innovative tastes; locally sourced hot salami sandwiches, gourmet toast, barbecue and sustainable seafood.

Whether in small rural communities or big bustling cities, the power of community involvement is unmatched, half a world apart but bound by shared devotion to improving the quality of local rivers.

From backyard creeks to the mighty Mississippi, young people are driving real change for a cleaner, more sustainable future in Tennessee.

Mena restaurant-hops with friends Lilly Singh and Laura Marano, indulging in plant-based French pastries, "pastrami" sammies, Thai "chicken" wings and "carne" asada.

Bird calls greet the dawn along the Cosumnes River; nestled among Big Sur's foothills is unique wetland habitat shaped by thick summer fog, plentiful winter rain, and moderate year-round temperatures.

Niall McCann investigates the increasing number of polar bear attacks in Churchill, Manitoba.

Exploring the struggles and turmoils of orphaned baby elephants and the people who have made it their life's mission to save them. Khanyisa is the newest addition to the elephant sanctuary.

A brave potter wasp faces predators and dangers in its hidden world in this captivating short documentary.

In an unforgettable journey through the developing world, Dr. Tinker meets leaders, entrepreneurs and everyday citizens working to bring energy to their people.

Fall in love with our planet and the extraordinary people striving to make it a better place.

A sea lion has a potentially deadly tangle of fishing gear around its neck; a creek becomes dangerous for a dolphin.

Two sisters go on a ride along with the Sea Rescue team and end up helping to save a sick elephant seal; students rescue an ailing turtle on the beaches of Cape Cod.

Following clean drinking water from forests to faucets; beetle kill wood; military veterans find peace while fly-fishing in mountain streams.

Chuck Leavell begins his journey in the Arkansas Ozarks rafting down the Buffalo National River, where he learns how forests help keep groundwater clean; in Conway, he tours a mass-timber plant and learns about forest economy; at the U of Arkansas the topic is sustainable architecture; and after a trip to the Ozark National Forest, Chuck plays some music at an underground, limestone cavern.

Tom the Blowfish Hird reveals the moray eel's jaw-dropping abilities, blows bubbles to show how a snail can sail, showcases the fearsome barracuda and shows how the whale shark survives on plankton.

Tom the Blowfish Hird shows how stingrays pierce their prey and more.

In the path of the El Niño storm, Brad Domke aims for the big wave surfing history books by skimming the waves of Pe'ahi, Hawaii.

Over 6 months, a mother Humpback travels from frozen Antarctica to ancestral birthing grounds in the tropics.

Underwater, the shallow seas are the richest of all, where pressure to succeed creates the extraordinary.

In the path of the El Niño storm, Brad Domke aims for the big wave surfing history books by skimming the waves of Pe'ahi, Hawaii.