Air Quality in the National Parks

Discusses the current quality of air in our national parks, which visitors expect to be clean & clear. Monitoring conducted in national parks over the past 20 years documents that, in most parks, air quality is better than standards set by the EPA to protect public health & welfare. In addition, air quality is improving or remaining stable in about half the parks where monitoring occurs. Chapters: Preserving Air Quality in National Parks; Current Air Quality Conditions & Trends; Measuring Air Quality in National Parks; Great Smoky Mountains National Park -- Threatened by Air Pollution; The Future of Air Quality in Our National Parks; & Data Tables. Color photos & maps.Morse, Dee is the author of 'Air Quality in the National Parks', published 2004 under ISBN 9780756739164 and ISBN 0756739160.