A key issue in the debate over ANWR has been the scope of the proposed drilling and associated industrial activities.
The Columbia Glacier is about 54 kilometers long, 5 kilometers wide and more than 1,000 meters thick in some places.
Since this article was published, many disturbing accounts of polluting practices by the cruise ship industry have come to light. We urge those considering cruise vacations to research the environmental records of the cruise line companies they’re considering.
The study also shows the Bering land bridge vegetation at the time consisted primarily of tundra plants and shrubs and was unsuitable for long-term habitation by large grazing mammals.