A walk through one of New York's most pristine environments.
Cambodia's pristine environment may be a big draw, but much of it is currently under threat.
The combination of proximity to Chicago and a pristine natural environment soon drew visitors from the city.
The real mystery is what might be killing frogs in pristine environments.
Individuals may value the ability to leave a pristine environment to their children.
"I had never recognized this was such a pristine and vibrant environment."
"But we all believed the oil companies when they said we could have both a pristine environment and oil."
The national park has strict regulations to protect this pristine environment.
He could see the outline of three other houses against the darkened sky, their modern design a complete contrast to the pristine environment around them.
"If you want to have a pristine environment, it will cost you," he said.
