alaska
Alaska
Air pollution, oil spills and most of all us humans interfering with the tundra.
uranium and oil
Alaska
uranium and oil
Tundra.
Desert, tundra, taiga, rainforest, temeperate forest.
the north central region
Tundra
The arctic tundra, alpine tundra, and antarctic tundra.
The arctic tundra, alpine tundra, and antarctic tundra.