
Why Ted Turner is bringing back bison
By reintroducing tens of thousands of bison to his extensive ranch land, Ted Turner has helped restore the ecosystems to a more natural state.
02:08
- Source:
CNN
Call to Earth
118 videos

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

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

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

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

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

Cinematographer Shawn Heinrichs is inspiring people to protect our oceans

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

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

An Indian entrepreneur has a portable solution for fighting air pollution

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

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

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

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

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