He immediately announced plans for a new organization to focus narrowly on wilderness preservation.

In his later years, he used the metaphor of nature as home in his writings to promote wilderness preservation.

Nash presents America's anthropocentric view as the main enemy to all wilderness preservation.

One area where environmentalists are unanimous in praising the governor is wilderness preservation.

IN accordance with the Governor's deed, the park is managed for wilderness preservation first and recreation second.

Even wilderness preservation often requires human intervention - to reintroduce predators or weed out exotic species.

It is a dark day for wilderness preservation.

However, he continued to work as an advocate for wilderness preservation.

Dobbins Slashings has also been proposed for wilderness preservation.

These coffee-table books sold well and introduced the Sierra Club to new members interested in wilderness preservation.