Protecting Parks from Pollution.Continued declining air quality in U.S. national parks Areas in the United States are preserved by a variety of federal departments and are titled with a large area of different designations. Many of the most spectacular and significant landscapes are designated National Parks; some of the wildest are designated wilderness areas. prompted officials at the Department of the Interior to draft a letter to the EPA EPA eicosapentaenoic acid. EPA abbr. eicosapentaenoic acid EPA, n.pr See acid, eicosapentaenoic. EPA, n. on 19 July 2000 requesting that the agency adopt a general regulation to protect resources within parks from the effects of air pollution. These effects range from decreased visibility to plant damage caused by nitrous oxide and other pollutants. The National Parks Conservation Association The National Parks Conservation Association (NPCA) is the only environmental organization devoted exclusively to advocacy on behalf of the National Parks. Its mission is "to protect and enhance America's National Park System for present and future generations. , a watchdog organization, has found that visibility in the Great Smoky Mountains National Park Great Smoky Mountains National Park National preserve, eastern Tennessee and western North Carolina, U.S. It is 20 mi (32 km) wide and extends southwest for 54 mi (87 km) from the Pigeon River to the Little Tennessee River. Established in 1934 to preserve the U.S. has been reduced from its historic 93 miles to as low as 15 miles during recent summers. The group also says that much of the ozone pollution within the parks is coming from motor vehicles, and that the EPA is not regulating such pollution strongly enough. |
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