Planet Earth

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1. 1From Pole to PoleA global tour examining the behaviors of animals and revealing the effects of climate change on their environments.53m
2. 2MountainsAn exploration of the world's major mountain ranges and the habitats they create.49m
3. 3Fresh WaterAlthough merely 3% of water on earth, fresh water plays an important part in the planet's weather and erosion. It is immensely important for all non-marine wild51m
4. 4CavesAlthough often overlooked, caves are remarkable habitats with bizarre wildlife. Explore the structures created inside the earth as well as the adaptations anima50m
5. 5DesertsDespite the lack of rain, deserts are the most varied of our ecosystems. In fact, about thirty percent of the earth's land surface is covered in desert. Explore50m
6. 6Ice WorldsExperience life in the most hostile corners of the planet by exploring the terrain, seasons, and animals of the Arctic and Antarctic.51m
7. 7Great PlainsThis episode deals with savanna, steppe, tundra, prairie, and looks at the importance and resilience of grasses in such treeless ecosystems. Their vast expanses50m
8. 8JunglesJungles cover roughly three percent of our planet yet contain fifty percent of the world's species. Experience the countless flora and fauna that inhabit these 51m