It's the northernmost region of the planet.
And it's vastly important - geopolitically, for the global climate system, and for the plants and animals that depend on its icy ecosystems. Have a look at this automatically generated listing of DW content relating to the Arctic.
There are 19 subpopulations of polar bear spanning the 5 'polar bear countries' of the world. All of these bears are threatened by climate change, due to loss of the sea ice that they live on and hunt from. On this International Polar Bear Day, we took a look at the largest land predator on Earth.