Evolution Earth

Trek to the planet's quickly melting poles, where animals are giving scientists clues about our future existence. Learn how the movements of polar bears, penguins, and other arctic creatures could help humans map (and prevent) global warming.

Go to extremes, from the Sahara to the outback, where animals are teaching us how to survive in our heating world. Shelter in caves with chimps, see camels sip salt water, and listen as zebra finches sing to their eggs to make their chicks smaller.

Find out why islands are like mini-Earths where evolution happens before your eyes. Journey from the Galápagos to Antarctica to see how sea lions, finches, crickets, monkeys and other wildlife are finding surprising solutions to climatic problems.

Travel to the ends of the Earth, where a drama is unfolding in real time. Meet animals, from tiny butterflies to huge humpback whales, that are acting as sentinels, adapting their behaviour, and helping us unlock the riddles of our changing planet.