Climate Change: The Facts

Alessandra Pacini, solar physicist and mother of two, has dedicated her life to researching our sun and its relation to the rest of our solar system....

Bird watchers on both sides of the U.S.-Mexico border share their enthusiasm for protecting and preserving some of the world's most beautiful species.

THE QUEST: Everest is a journey to deeper understand and climb the most iconic mountain in the world, Mt. Everest, and to reveal its amazing history...

Mist swirls around the base of Shanghai's skyline. From the city, tigers and monkeys seem as unreal and distant as dragons and mermaids emerging...

Documentary about human impact on the world.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in...

This documentary film is about wolves and the negative myths surrounding the animal. Exceptional footage portrays the wolf's life cycle and the...

We're entering the Earth's sixth era of extinction -- and it's the first time humans are to blame. CNN introduces you to the key species and people...

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

Two Canadian experts in underwater filming, Mario Cyr and Jill Heinerth, join forces for the first time to record how Arctic wildlife is adapting to...

David Attenborough, Hans Zimmer and Dave unite for a special Natural History event – Planet Earth: A Celebration. The special one-hour...

In a world tussling with climate change, an innovative start-up named All.g emerged with a mission to take action against it. One seaweed at a time,...