Ozone pollution in US national parks is nearly the same as in large cities
- Written by David Keiser, Assistant Professor of Economics, Iowa State University
A clear day at Acadia National Park in Maine.John Marino, CC BY
“Another glorious day, the air as delicious to the lungs as nectar to the tongue” – John Muir, My First Summer in the Sierra (1911)
Most Americans associate U.S. national parks with pristine environments that represent the very best of nature. In the 1916 law that...
Read more: Ozone pollution in US national parks is nearly the same as in large cities