Fact Sheet Sep 5, 2013

Polluted Parks: Fact Sheets

Haze pollution limits views of our most valued national parks and wilderness areas, affecting not just how far we can see, but also the color, sharpness, and quality of the view. It also makes the air unhealthy for people, wildlife and natural resources.

Fact Sheets

  • Badlands
  • Big Bend
  • Black Canyon of the Gunnison
  • Grand Canyon
  • Joshua Tree
  • North Cascades
  • Sequoia
  • Theodore Roosevelt
  • Voyageurs
  • Yellowstone

Read more from NPCA

  • Blog Post

    Here Today, Gone Tomorrow

    Feb 2026 | By Alan Spears, Kristen Brengel

    The erasing of people, science and history at our national parks is in full swing, and NPCA is investigating and will hold the administration accountable. Here’s what you should know…

  • Blog Post

    The U.S. National Park That Bid for the Olympics

    Feb 2026 | By Nicolas Brulliard

    The 2026 Winter Olympic Games in Milan and Cortina d’Ampezzo officially begin Friday, Feb. 6. It’s hard to imagine such a massive event ever taking place in a national park,…

  • Blog Post

    Why Draining Mojave’s Aquifer is a Really Bad Idea

    Feb 2026 | By Chance Wilcox

    Pulling water from the Mojave Desert would damage prized national parkland and deepen water insecurity for communities. Here are frequently asked questions about the latest attempt by Cadiz Inc. to…