Derived from the Finnish word tunturia, meaning treeless or barren land, tundra is the coldest and driest of all biomes. Despite these extreme conditions, the tundra is home to several unique species of plant and animal. Learn the difference between arctic and alpine tundra, and what impacts melting permafrost could have on our changing planet.

This National Geographic video provides a 101: What are Tundras?

Next: The Hidden Perils of Permafrost. Plus: The Arctic vs. the Antarctic and Curious arctic fox kits discover (and destroy) a motion-sensor camera.

Plus: More videos about climate change.

See more videos about...