Lake Superior is one of the Earth's greatest treasures.
The amount of water in the lake, its relative purity and clarity, the incredible beauty of the area and the relative lack of development, all combine to make Lake Superior a resource of immeasurable value. However, like virtually every other part of the world, Lake Superior is threatened by both pollution and habitat destruction. A healthy Lake Superior is crucial for the people and wildlife in the region. Pollution Pollution ends up in Lake Superior and its tributaries through rain, snow and the air. Learn the cost pollution has on wildlife and humans.