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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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    “Nature Rx” is a hilarious spoof on those awful prescription drug ads.
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    The last time Mercury passed in front of the sun was nearly a decade ago, but on May 9 Mercury will once again transit our nearest star.
    “Nature Rx” is a hilarious spoof on those awful prescription drug ads.

    FROM OUR BLOGS

    On April 21st, the Sierra Club, Greater Good Science Center, REI, and HipCamp hosted the 2nd Annual Great Outdoors Lab (GO Lab) conference...
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    FEATURED OUTINGS

    May 15, 2016 to May 22, 2016
    Explore and photograph the richness and wonder of spring in Alaska aboard our historic 12-passenger yacht, the Discovery. We'll...
    May 16, 2016 to May 29, 2016
    Imagine walking among tortoises and iguanas so fearless you have to step over them. Accompanied by a certified Galápagos naturalist guide,...
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