Videos

Overview

Below is a listing and description of each of the videos from the NPS ARD.

"Looking Through the Atmosphere" videotape:

This videotape informs viewers about the mechanics of visibility impairment in wilderness areas and National Park Service areas throughout the United States. The videotape discusses the sources of sulfur dioxide and transformation of the pollutant to sulfate, and is used for NPS training sessions as well as public information.

"Sights Unseen" videotape:

This videotape is a follow-up to "Looking Through the Atmosphere", and informs viewers about the results from the NPS visibility monitoring program at selected parks thoughout our country.