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  • Victory! Thank President Obama for designating a new national monument recognizing the fight for women's equality.
  • Demand the state act immediately to replace Flint's damaged and toxic water pipes at no expense to the residents and businesses of Flint.
  • Tell Director Ashe to stop the delisting!
  • Just announced for 2016. We've got 300+ ideas for you.
  • Still need a Sierra Club engagement or wall calendar? Get yours today!
  • To celebrate John Muir's legacy, download, print, and color in this Muir illustration by Jeremy Collins.
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    MOST POPULAR CONTENT

    Rapid ōhiʻa death is threatening the forests that Hawai'i's botanists have spent decades trying to protect.
    View a slideshow of our favorite places and enter the Find Your Place photo contest for some great giveaways.

    NOW IN SIERRA MAGAZINE

    Award-winning garden designer and TV host Alan Gardner (yes, that really is his name) is working to change how people perceive autistic...
    Rapid ōhiʻa death is threatening the forests that Hawai'i's botanists have spent decades trying to protect.

    FROM OUR BLOGS

    From years of coal, to this month's major clean energy announcement by MidAmerican - what happened in Iowa?
    Michael Brune
    This Earth Day, we mark a major milestone in stopping one of the most dangerous mistakes our species has ever made.

    FEATURED OUTINGS

    April 30, 2016 to May 2, 2016
    This is a 24-hour Wilderness First Responder Recertification course for current Wilderness First Responders (WFR) who need to recertify and...
    April 30, 2016
    We will be hiking through an oak savanna in globally rare dune-and-swale topography.
    Connect with the Sierra Club