Protecting nature’s highways

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Protecting nature's highways

All over the world, insects, fish, birds and mammals migrate over vast distances. In this half hour program, CNN meets the people working to safeguard their migration routes.

23:01 - Source: CNN

Call to Earth 118 videos

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Protecting nature's highways

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Paula Kahumbu: Voice of the wild

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Sophie Green rhinos

Hyperrealistic paintings of animals promote conservation

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The award-winning conservationist fighting to save a forest

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Going green in one of Africa's top safari destinations

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'Protect our oceans, protect our future': Young people come together for Call to Earth Day 2022

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Protecting Patagonia's precious fjords

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The 'Interceptor' capturing plastic trash at the source

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Cleaning up one of the world's most polluted waterways

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Restoring Hong Kong's oyster reefs

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Sylvia Earle: Diving for hope

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The Australian teenager making the ocean safer for sharks

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Innovative ideas to preserve California's underwater forests

03:56

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How the world's northernmost caves could hold answers to climate change

04:08

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Genesis Butler

The 15-year-old activist on a mission to help the planet

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How Namibia's elephants have adapted to life in the desert

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South Africa is battling plastic pollution in its rivers

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Listening to our planet

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Sound could help to avert human-elephant conflict in India

03:15

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Why sound can be vital in understanding elusive species

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This man has made it his mission to listen to the Earth

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What is Call to Earth Day 2022?

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A tiny Caribbean island is reviving its coral reefs

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Scuba diving scientist shines a light on the world's deep sea reefs

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Bamboo shark breeding helps repopulate Thailand's reefs

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How Thailand's most famous bay recovered from the brink of ecological catastrophe

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This rescue center is helping the world's most trafficked mammal

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A veiled chameleon, Chamaeleo calyptratus, at Rolling Hills Wildlife Adventure confronts a camera lens.
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The photographer documenting mass extinction

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Meet Mexico's 'bat man'

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Protecting birds' migration routes

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How animals cross one of the world's longest roads

04:07

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A wildflower corridor across the UK could help save bees and butterflies

02:12

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Protecting the world's tallest palms

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Why fishing communities in Belize are defending sharks

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The OceanXplorer ship, part of hedge fund founder, Ray Dalio's OceanX research mission

Hedge fund titan, Ray Dalio, on taking the plunge into ocean exploration

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Watch 3 decades of melting glaciers in one dramatic video

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Inside New Zealand's penguin rescue and rehab center

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Foundation gives 'Green Hope' around the world

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Bringing back Andean condors from the brink of extinction

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The untold story of South Africa's rivers

03:48

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In Thailand, these tigers are coming back with a roar

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New Zealand sea lions

New Zealand sea lions are back, and they're reclaiming human spaces

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Jaguars in Belize need this forest corridor to survive

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Tribal warriors become lion defenders

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The mountainous region of Gilgit-Baltistan is prime snow leopard habitat. Hussain estimates there around 30-50 snow leopards in the region around the 26 villages where he and his team work. Although it's hard to track these elusive animals, he says that at the moment the population is stable.

Protecting Pakistan's elusive snow leopards

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Cinematographer Shawn Heinrichs is inspiring people to protect our oceans

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Bringing back wolves to a Portuguese valley

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The snowboarder fighting to protect our winters

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A young cub alongside an adolescent male. The first cubs to be born at Samara in nearly 200 years are now approximately two years old.

Samara Private Game Reserve: How one family's rewilding project returned big cats to the Great Karoo

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Full of biodiversity, deserts also deserve protection

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The astronaut caring for 'spaceship Earth'

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Icelandic company is turning CO2 into stone

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An energy plant so clean, you can ski there

03:48

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Why scientists are breeding some of the ocean's top predators

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Slow and steady wins the race: restoring Bangladesh's endangered turtle and tortoise species

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See how whiskey brought these oysters back to life

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Young people are protecting the planet on Call to Earth Day

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James Cameron wants to preserve the ocean twilight zone

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Harry Chan, Hong Kong's self-proclaimed "ghost net hunter," diving in Sai Kung.

Meet Hong Kong's 'ghost net hunter'

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An Indian entrepreneur has a portable solution for fighting air pollution

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This startup makes packaging from seaweed

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'Potato custodians' are safeguarding this crop's future

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Fonio: The superfood that's a kernel of hope for the Sahel

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Breadfruit: A new chapter for Hawaii's tree of life

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5 ways to help the planet by changing your diet

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ColdHubs are keeping food fresh in Nigeria

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This chef has a recipe for greener eating

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Matilda Ho, founder of Bits x Bites.

Meet Matilda Ho, the food disruptor changing tastes in China

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The islanders saving bees for a sustainable future

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Invasive lionfish are bad for local sea life -- but good for eating

04:07

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The science helping New Yorkers and whales live in harmony

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Scientist's crusade to protect seahorses

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Sebastião Salgado's Amazonian odyssey

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The Cape cormorant rescue mission on Robben Island

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UK startup uses drones to map plastic pollution

03:36

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One woman's mission to help solve India's deadly conflict between people and wildlife

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One man's mission to make treasure out of trash

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The 'Bubble Barrier' keeping plastic from the sea

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Kerstin Forsberg is fighting for manta rays

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How blockchain is protecting species and consumers from fish fraud

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How to be good to the planet when you die

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Blue Nature Alliance aims to protect 5% of the world's ocean in five years

03:21

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Meet the forest engineer who wants to restore Brazil's lost Atlantic forest

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Pati Riuz Corzo

Meet the guardian of Mexico's "fat mountains"

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SELKIRK, UNITED KINGDOM - OCTOBER 31: Salmon attempt to leap up the fish ladder in the river Etterick on October 31, 2012 in Selkirk, Scotland. The salmon are returning upstream from the sea where they have spent between two and four winters feeding with many covering huge distances to return to the fresh waters to spawn. (Photo by Jeff J Mitchell/Getty Images)

Here's how to help the Atlantic salmon avoid extinction

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A protected manta ray swims in the waters of Maldives

Swimming with manta rays could help save them

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The battle to save China's black snub-nosed monkeys

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Members of the public, scientists and whale shark tour operators have contributed over 70,000 images of whale sharks to the Wildbook for Whale Sharks, an online photo identification system designed to track the animals using the patterns on their skin.

NASA technology helps save the world's largest shark

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Pablo García Borboroglu, founder of the Global Penguin Society.

Millions of penguins protected thanks to this man

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Algae growing on the Greenland ice sheet is causing it to melt faster.

A 'frozen rainforest' of microscopic life is melting Greenland's ice sheet

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