National Parks Conservation Association et al v. Department of the Interior et al

  1. June 18, 2026

    Feds Must Still Restore 'Truthful History' In Parks Amid Appeal

    The Trump administration cannot delay restoring information about climate change, slavery and Indigenous history to National Park Service sites by the nation's 250th anniversary while it pursues an appeal, a Massachusetts federal judge ruled on Thursday.

  2. June 17, 2026

    Feds Turn Over List Of Exhibits Pulled From National Parks

    The Trump administration on Wednesday turned over to a federal judge in Boston a list of at least 50 signs, exhibits and other materials that have been removed from U.S. national parks and historic sites under a presidential directive to cull items that "inappropriately disparage Americans past or living."

  3. June 16, 2026

    Judge Says Trump Admin Must Explain Park Sign Burden

    The Trump administration must explain how it will be harmed by an order requiring it to restore climate change, slavery and Indigenous history information to National Park Service sites by Independence Day after it asked a federal court to pause the decision pending a First Circuit appeal.

  4. June 12, 2026

    Trump Admin Must Restore National Park Signs For 250th

    The Trump administration must restore information about climate change, slavery and Indigenous history to National Park Service sites by the nation's 250th anniversary, a Massachusetts federal judge ruled Friday, warning that the removal of such signage "sets a dangerous precedent of censorship and sanitization."

  5. June 04, 2026

    Interior Dept. Must Face Suit Over National Park Sign Removal

    Conservation groups have standing to challenge the removal of information about climate change, slavery and Indigenous history from national park sites and can proceed with their lawsuit, a Massachusetts federal judge said Thursday.

  6. April 24, 2026

    National Parks Signage Order Diverts Resources, Court Told

    Conservation groups looking to block an Interior Department order regarding the removal of signs containing information about slavery, Indigenous nations and climate change from national park sites say the directive has caused them to divert resources and pressured their members to self-censor or defy best practices for historical interpretations.

  7. April 10, 2026

    Interior Says National Parks Signage Suit Is A Political Dispute

    The U.S. Department of the Interior is asking a federal court to deny conservation groups' bid to block an order instructing U.S. National Park Service staff to remove signs containing information about slavery, Indigenous nations and climate change, saying their challenge is an "invitation to the political thicket."

  8. March 20, 2026

    Groups Look To Block Interior's National Parks' Signage Order

    A coalition of nonprofits is asking a Massachusetts federal court to block a U.S. Interior Department order that instructed National Park Service staff to remove signage that gives information about slavery, Indigenous history and climate change, arguing that it imposes a broad campaign of censoring disfavored history and science.

  9. February 17, 2026

    Groups Sue Over National Parks' Removal Of Historical Signs

    A coalition of educational, scientific and parks-related nonprofits filed a lawsuit Tuesday in Massachusetts federal court challenging the Trump administration's efforts to remove signage from national parks that discusses slavery, Native American history and climate change.