Ozone threatens the health of park visitors and contributes to the disease and death of park species such as the black cherry tree in the East and aspen and ponderosa pine in the West. National park ecosystems across the country are already showing damage from ground-level ozone pollution.

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  • Press Release

    Victory: Biden Administration Protects Chaco Canyon Cultural Landscape

    Jun 2023

    "We are grateful for today’s action, which is the latest move by the Biden administration that prioritizes preserving, instead of industrializing, Indigenous lands," -- NPCA CEO Theresa Pierno 

  • Blog Post

    7 for 7: How NPCA Is Improving Your Next Visit to Stonewall

    Jun 2023 | By Shira Michaeli, Timothy Leonard

    Stonewall National Monument in New York City was established seven years ago. NPCA is leading improvements at the site in seven ways — including the addition of a visitor center.

  • Blog Post

    Protecting the Minidoka Viewshed

    May 2023 | By Kristen Brengel

    A proposed large-scale wind farm would mar the land surrounding Minidoka National Historic Site, considered a somber place for reflection by Japanese American survivors and descendants. NPCA and Friends of…