Tag: Park Scientists

  1. A Brief History of Air Quality Monitoring

    A Brief History of Air Quality Monitoring By David Brill Unlike most professionals, Jim Renfro knows he’s doing his job well when he can’t see the products of his labors. In fact, when Renfro takes in the view from high atop Clingmans Dome in Great Smoky Mountains National Park and sees nothing but the distant tree-fringed ridges—instead of a veil of unhealthy haze& Read more...

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