Sightseeing air tours have proven to be a challenging management issue for many tourist
destinations around the world, especially at locations meant to protect natural and cultural …

Abstract The National Wilderness Preservation System in the United States provides the
greatest level of protection for the ecological and social values of lands held in trust for future …

Alaska's Glacier Bay National Park preserves the seventh largest unit of the National
Wilderness Preservation System, encompassing 2.6 million acres. Natural acoustic …

As the wind gently lifts the bow of the canelo tree, and the glacier on the mountain slowly
drips through the moraine to the bay, a guanaco watches from high up in the mountain. I …

As human development expands across the Arctic, it is crucial to carefully assess the
impacts to remote natural ecosystems and to indigenous communities that rely on wild …

This document provides the methodology and technical processes for map** threats to
wilderness character for any designated (or proposed) wilderness area in the National …

As human development expands across the Arctic, it is crucial to carefully assess the
impacts to remote natural ecosystems and to indigenous communities that rely on wild …