Air Pollution
Great Smoky Mountains National Park is considered the most polluted national park according to a 2004 report by the National Parks Conservation Association. From 1999 to 2003, the park recorded approximately 150 unhealthy air days, the equivalent of about one month of unhealthy air days per year.
Read more about this topic: Great Smoky Mountains National Park
Famous quotes containing the words air and/or pollution:
“He who will one day teach men to fly will have displaced all boundary stones; the boundary stones themselves will fly up into the air to him, and he will rebaptize the earth—as “the weightless.””
—Friedrich Nietzsche (1844–1900)
“Like the effects of industrial pollution ... the AIDS crisis is evidence of a world in which nothing important is regional, local, limited; in which everything that can circulate does, and every problem is, or is destined to become, worldwide.”
—Susan Sontag (b. 1933)