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Updated 4:41 AM EST, Thu January 16, 2020

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anjali watson intl C2E_00010303.jpg

Ecologist working to save the Sri Lankan leopard

02:47 – Source: CNN

Call to Earth 147 videos

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Updated 4:41 AM EST, Thu January 16, 2020

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anjali watson intl C2E_00010303.jpg

Ecologist working to save the Sri Lankan leopard

02:47

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Updated 4:41 AM EST, Thu January 16, 2020

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Ealing beavers swimming

Wild beavers return to London’s wetlands for the first time in 400 years

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Updated 4:41 AM EST, Thu January 16, 2020

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Lawrence Hylton video card 2

Photographer captures images of Hong Kong’s thriving nocturnal wildife

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Updated 4:41 AM EST, Thu January 16, 2020

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baboon vid card 2

South Africans are learning to live with ‘urban’ baboons

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Updated 4:41 AM EST, Thu January 16, 2020

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avian malaria card

An outbreak of malaria is endangering birds in the sub-antarctic

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Updated 4:41 AM EST, Thu January 16, 2020

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06 Akikiki card

Saving the Hawaiian ‘akikiki

03:38

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Updated 4:41 AM EST, Thu January 16, 2020

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seaweed card 1

The seaweed solution

03:21

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Updated 4:41 AM EST, Thu January 16, 2020

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Undo rock card

Why farmers are sprinkling volcanic dust in their fields

03:08

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Updated 4:41 AM EST, Thu January 16, 2020

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Cotton-top tamarin card

Preserving a rare and elusive creature

04:14

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Updated 4:41 AM EST, Thu January 16, 2020

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Golf ohio card 2

Rewilding a golf course

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Updated 4:41 AM EST, Thu January 16, 2020

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18 Neretva

Scientists are fighting to preserve this Balkan river

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Updated 4:41 AM EST, Thu January 16, 2020

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Mongolia dog card

How puppies can save Mongolia’s grasslands

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Updated 4:41 AM EST, Thu January 16, 2020

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Wildlife Conservation Society thumbnail

Conservation leader urges people to reconnect with nature

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Updated 4:41 AM EST, Thu January 16, 2020

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living Seawalls card

How ‘Living Seawalls’ can help coastal communities

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Updated 4:41 AM EST, Thu January 16, 2020

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Bermuda snails thumbnail

Endangered snails bred in captivity are released into the wild

03:59

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Updated 4:41 AM EST, Thu January 16, 2020

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yellow crested cockatoo hong kong hnk spc intl_00011905.png

‘A symbol of hope’: the endangered cockatoos thriving 2,000 miles from home

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Updated 4:41 AM EST, Thu January 16, 2020

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Bubbl card

Bursting the bubble on climate change

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Updated 4:41 AM EST, Thu January 16, 2020

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Mauritius card

Restoring a tropical island paradise

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Updated 4:41 AM EST, Thu January 16, 2020

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oceanways miami

Submarine that sucks plastic from the ocean tested in the US

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Updated 4:41 AM EST, Thu January 16, 2020

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cte kris tompkins video

Why Kristine Tompkins is a rewilding pioneer

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Updated 4:41 AM EST, Thu January 16, 2020

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CTE caterpillar video card

Why Mexico City needs more bugs

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Updated 4:41 AM EST, Thu January 16, 2020

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indigenous sustainability rainforest card

Protecting the land of the spirit bear

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Updated 4:41 AM EST, Thu January 16, 2020

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Saving one of the world’s most trafficked birds

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Updated 4:41 AM EST, Thu January 16, 2020

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Paul Nicklen and Cristina Mittermeier card video

These photographers are working to protect the oceans

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Updated 4:41 AM EST, Thu January 16, 2020

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Mauritius fruit bat card

Conservationists want humans and flying foxes to coexist

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Updated 4:41 AM EST, Thu January 16, 2020

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Kitasu Bay

This indigenous community created a marine refuge in Canada

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Updated 4:41 AM EST, Thu January 16, 2020

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whal thumbnail

The conservationists guarding whales from ship strikes

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Updated 4:41 AM EST, Thu January 16, 2020

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Chester Zoo rare species baby boom c2e spc intl_00015828.png

The UK zoo in the midst of a baby boom of rare species

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Updated 4:41 AM EST, Thu January 16, 2020

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African penguin video card image

Conservationists are building ceramic nests to help endangered penguins

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Updated 4:41 AM EST, Thu January 16, 2020

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Green school bali card

Bamboo school cultivates green warriors

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Updated 4:41 AM EST, Thu January 16, 2020

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Paula Kahumbu still

Paula Kahumbu: Voice of the wild

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Updated 4:41 AM EST, Thu January 16, 2020

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Sophie Green rhinos

Hyperrealistic paintings of animals promote conservation

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Updated 4:41 AM EST, Thu January 16, 2020

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call to earth brazil conservation endangered forest spc_00004511.png

The award-winning conservationist fighting to save a forest

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Updated 4:41 AM EST, Thu January 16, 2020

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call to earth ecotourism safari africa spc_00014408.png

Going green in one of Africa’s top safari destinations

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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Protecting Patagonia’s precious fjords

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Innovative ideas to preserve California’s underwater forests

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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South Africa is battling plastic pollution in its rivers

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Updated 4:41 AM EST, Thu January 16, 2020

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Listening to our planet

Listening to our planet

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Updated 4:41 AM EST, Thu January 16, 2020

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Sound could help to avert human-elephant conflict in India

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Updated 4:41 AM EST, Thu January 16, 2020

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Why sound can be vital in understanding elusive species

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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What is Call to Earth Day 2022?

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Updated 4:41 AM EST, Thu January 16, 2020

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A tiny Caribbean island is reviving its coral reefs

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Updated 4:41 AM EST, Thu January 16, 2020

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twilight zone 11.1

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

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Updated 4:41 AM EST, Thu January 16, 2020

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bamboo shark thumbnail

Bamboo shark breeding helps repopulate Thailand’s reefs

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Updated 4:41 AM EST, Thu January 16, 2020

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Maya Bay video thumbnail

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

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Updated 4:41 AM EST, Thu January 16, 2020

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pangollin cte video card

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

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Updated 4:41 AM EST, Thu January 16, 2020

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A veiled chameleon, Chamaeleo calyptratus, at Rolling Hills Wildlife Adventure confronts a camera lens.   061113_s_RollingHills_zoo_06456.jpg

The photographer documenting mass extinction

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Updated 4:41 AM EST, Thu January 16, 2020

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Bat expert Rodrigo Medellin

Meet Mexico’s ‘bat man’

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Updated 4:41 AM EST, Thu January 16, 2020

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cte highways whale shark card

Protecting nature’s highways

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Updated 4:41 AM EST, Thu January 16, 2020

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wetland migratory bird card

Protecting birds’ migration routes

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Updated 4:41 AM EST, Thu January 16, 2020

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y2y video card

How animals cross one of the world’s longest roads

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Updated 4:41 AM EST, Thu January 16, 2020

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Buglife silver studded blue

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

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Updated 4:41 AM EST, Thu January 16, 2020

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wax palms video card 1

Protecting the world’s tallest palms

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Updated 4:41 AM EST, Thu January 16, 2020

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maralliance video card 1

Why fishing communities in Belize are defending sharks

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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C2E Iceland Glaciers DV 1

Watch 3 decades of melting glaciers in one dramatic video

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Updated 4:41 AM EST, Thu January 16, 2020

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03 penguins new zealand c2e

Inside New Zealand’s penguin rescue and rehab center

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Updated 4:41 AM EST, Thu January 16, 2020

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kehkashan basu green hope foundation video card

Foundation gives ‘Green Hope’ around the world

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Updated 4:41 AM EST, Thu January 16, 2020

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andean condor video card 3.

Bringing back Andean condors from the brink of extinction

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Updated 4:41 AM EST, Thu January 16, 2020

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jeremy shelton freshwater fish 04 video card

The untold story of South Africa’s rivers

03:48

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Updated 4:41 AM EST, Thu January 16, 2020

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Thai tiger video card

In Thailand, these tigers are coming back with a roar

04:04

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Updated 4:41 AM EST, Thu January 16, 2020

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New Zealand sea lions

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

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Updated 4:41 AM EST, Thu January 16, 2020

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Jaguars in Belize need this forest corridor to survive

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Updated 4:41 AM EST, Thu January 16, 2020

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lion defenders card video

Tribal warriors become lion defenders

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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Cinematographer Shawn Heinrichs is inspiring people to protect our oceans

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Updated 4:41 AM EST, Thu January 16, 2020

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portugal rewild video card

Bringing back wolves to a Portuguese valley

03:09

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Updated 4:41 AM EST, Thu January 16, 2020

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Jeremy Jones POW 5

The snowboarder fighting to protect our winters

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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Erika Cuellar thumbnail 2

Full of biodiversity, deserts also deserve protection

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Updated 4:41 AM EST, Thu January 16, 2020

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thomas pesquet

The astronaut caring for ‘spaceship Earth’

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Updated 4:41 AM EST, Thu January 16, 2020

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08 carbfix climeworks

Icelandic company is turning CO2 into stone

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Updated 4:41 AM EST, Thu January 16, 2020

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copenhagen energy plant video card

An energy plant so clean, you can ski there

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Updated 4:41 AM EST, Thu January 16, 2020

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sunflower sea star approaches prey

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

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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C2E Whiskey Oysters 3

See how whiskey brought these oysters back to life

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Updated 4:41 AM EST, Thu January 16, 2020

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finnish school of kosovo

Young people are protecting the planet on Call to Earth Day

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Updated 4:41 AM EST, Thu January 16, 2020

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james cameron video card c2e

James Cameron wants to preserve the ocean twilight zone

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Updated 4:41 AM EST, Thu January 16, 2020

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Harry Chan, Hong Kong's self-proclaimed

Meet Hong Kong’s ‘ghost net hunter’

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Updated 4:41 AM EST, Thu January 16, 2020

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vidyut mohan 1

An Indian entrepreneur has a portable solution for fighting air pollution

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Updated 4:41 AM EST, Thu January 16, 2020

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NOTPLA seaweed packaging

This startup makes packaging from seaweed

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Updated 4:41 AM EST, Thu January 16, 2020

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potato custodians peru spc intl c2e_00034029.png

‘Potato custodians’ are safeguarding this crop’s future

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Updated 4:41 AM EST, Thu January 16, 2020

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fonio grain diakate c2e spc intl_00000518.png

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

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Updated 4:41 AM EST, Thu January 16, 2020

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breadfruit hawaii spc intl c2e_00003017.png

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

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Updated 4:41 AM EST, Thu January 16, 2020

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diet burger

5 ways to help the planet by changing your diet

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Updated 4:41 AM EST, Thu January 16, 2020

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nnaemeka ikegwuonu coldhubs cnn

ColdHubs are keeping food fresh in Nigeria

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Updated 4:41 AM EST, Thu January 16, 2020

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rodrigo pacheco c2e spc intl_00003925.png

This chef has a recipe for greener eating

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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bees principe spc intl_00001322.png

The islanders saving bees for a sustainable future

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Updated 4:41 AM EST, Thu January 16, 2020

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cooked lionfish

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

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– Source: CNN

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Updated 4:41 AM EST, Thu January 16, 2020

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new york whales c2e spc intl_card

The science helping New Yorkers and whales live in harmony

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Updated 4:41 AM EST, Thu January 16, 2020

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Scientist’s crusade to protect seahorses

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Updated 4:41 AM EST, Thu January 16, 2020

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Sebastião Salgado’s Amazonian odyssey

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Updated 4:41 AM EST, Thu January 16, 2020

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The Cape cormorant rescue mission on Robben Island

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Updated 4:41 AM EST, Thu January 16, 2020

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UK startup uses drones to map plastic pollution

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Taiwanese architect and engineer Arthur Huang was inspired by the ancient Roman practice of using discarded material in architecture.

One man’s mission to make treasure out of trash

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Kerstin Forsberg is fighting for manta rays

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Updated 4:41 AM EST, Thu January 16, 2020

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How blockchain is protecting species and consumers from fish fraud

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Updated 4:41 AM EST, Thu January 16, 2020

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How to be good to the planet when you die

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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

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Updated 4:41 AM EST, Thu January 16, 2020

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Pati Riuz Corzo

Meet the guardian of Mexico’s “fat mountains”

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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Yunnan golden monkey

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

03:35

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Updated 4:41 AM EST, Thu January 16, 2020

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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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– Source: CNN

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Updated 4:41 AM EST, Thu January 16, 2020

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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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Updated 4:41 AM EST, Thu January 16, 2020

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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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– Source: CNN

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Updated 4:41 AM EST, Thu January 16, 2020

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Sunniva Sorby and Hilde Falun Storm are the first all-women team to overwinter in the Arctic. They are on a mission to highlight climate change with their online platform

Two women are enduring their second Arctic winter to highlight climate change

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– Source: CNN

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Updated 4:41 AM EST, Thu January 16, 2020

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c2e carbon sinks 2

How these ‘sinks’ regulate the climate

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Updated 4:41 AM EST, Thu January 16, 2020

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C2E Polars DV 1

Can polar bears survive the climate crisis?

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Updated 4:41 AM EST, Thu January 16, 2020

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white shark call to earth video

In Monterey Bay, scientists are tagging and tracking white sharks

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Updated 4:41 AM EST, Thu January 16, 2020

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kelp farm ireland c2e 2

The underwater farm on an Irish island

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Updated 4:41 AM EST, Thu January 16, 2020

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mock cop26 c2e 3

These students are taking our future into their own hands

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Updated 4:41 AM EST, Thu January 16, 2020

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sardine run south africa c2e spc intl_00000905.jpg

Protecting South Africa’s sardine run

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Updated 4:41 AM EST, Thu January 16, 2020

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arapaima still c2e

João Campos-Silva is on a mission to save a river giant

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Updated 4:41 AM EST, Thu January 16, 2020

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Puffins billing

How fake birds helped restore Maine’s puffin colonies

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Updated 4:41 AM EST, Thu January 16, 2020

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Emma Camp is a marine biologist studying coral conservation and resilience at the University of Technology Sydney.

The world’s toughest corals could help save dying reefs

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Updated 4:41 AM EST, Thu January 16, 2020

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how mealworms eat plastic c2e 1

The creature that can munch through plastic waste

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Updated 4:41 AM EST, Thu January 16, 2020

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Arun Krishnamurthy is the founder of the Environmentalist Foundation of India, a nonprofit organization working to restore freshwater lakes and ponds.

The environmentalist cleaning up India’s lakes

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Updated 4:41 AM EST, Thu January 16, 2020

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Examining a trawler sample aboard the SV TravelEdge, the vessel for the round the world eXXpedition.

The all-female crew sailing the world to study plastic pollution

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Louis Liebenberg, co-founder of animal tracking app CyberTracker.

Trackers are helping to conserve the Kalahari

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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How to save the planet: Five simple things you can do

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Updated 4:41 AM EST, Thu January 16, 2020

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Protecting Sri Lanka’s precious mangroves

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Updated 4:41 AM EST, Thu January 16, 2020

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How New Zealand’s rare kakapo is making a comeback

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Updated 4:41 AM EST, Thu January 16, 2020

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Startup has new technology to help fix plastic crisis

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Updated 4:41 AM EST, Thu January 16, 2020

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Meet the man who swam through the Great Pacific Garbage Patch

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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Updated 4:41 AM EST, Thu January 16, 2020

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CNN  — 

Having endured a bloody civil war from 1983 until 2009, Sri Lanka is now at peace and developing rapidly. That’s good news for the country as a whole, but the island nation’s leopards are under threat.

Sri Lankan conservationist Anjali Watson says that as forests where leopards live are cleared to plant crops and build homes, the big cats are being squeezed into pockets of wilderness that don’t connect with each other.

“We’ve lost a lot of leopards,” says Watson. Nobody knows how many prowled the land before the war, but about 70% of the animals’ habitat has been destroyed, and only 750 to 1,000 adult leopards remain, she says.

Find out more about Call to Earth and the extraordinary people working for a more sustainable future

What’s more, leopards are at risk of getting caught in snares. The wire traps are usually set for bushmeat species, including wild boar and deer, but they are indiscriminate in what they catch.

As Sri Lanka’s top predator, and its only big cat, the leopard “plays a key role” in Sri Lanka’s ecosystem, says Watson. “We call it an umbrella species,” she says, because taking steps to save leopards protects all the other species that share their forest home.

Watson grew up in the city of Colombo, but “I loved being out in wild spaces … I have a strong affinity with animals” she says.

(Video courtesy of Chitral Jayatilake)

In 1994 she moved to Ontario, Canada, to study at McMaster University, and met her future husband, Andrew Kittle.

A few years later the couple, who share a passion for wildlife, had settled in Sri Lanka. In 2000 they launched a pilot project to study leopards in Yala National Park in the island’s southeast. At the time, very little was known about the elusive animals, says Watson. To protect them, it was vital to understand their lives – and to count them.

Watson and Kittle, who went on to establish the Wilderness & Wildlife Conservation Trust (WWCT) in 2004, currently work in four locations around Sri Lanka. They are investigating the size of the leopard population using remote cameras that take photos when they detect movement. Leopards that are caught on camera can be identified because each one has a unique pattern of spots – and famously, their spots never change.

Read: Google-backed project is collecting millions of wildlife camera-trap images

Installing the cameras is often grueling work, says Watson. It can involve long drives on spine-rattling, rocky tracks, clambering up hillsides, bushwhacking through jungle, and occasional encounters with elephants, bears and snakes, as well as leeches and ticks.

Anjali Watson attaches a motion-detecting camera to a tree.

Out in the field, the team collects leopard scat to find out which animals they are hunting – leopards are not picky eaters and their diet includes deer, monkeys, wild boar, porcupines and hares.

Watson hopes that WWCT’s data will help to shape development plans that make space for leopards. If corridors between forest patches and buffer zones around protected areas are safeguarded, both humans and animals could thrive. Watson is dedicated to ensuring that these “beautiful, fabulous creatures” survive.