WHAT'S HAPPENING

  • Time to Stop a Bad Idea
    The Sierra Club is proud to support Native American allies who are trying to protect their water and ancestral lands from the dangerous Dakota Access oil pipeline.
  • The Top 20
    Sierra magazine's annual list. These are the colleges working hardest to protect the planet in 2016.
  • Is Toxic Trade in Your Backyard?
    Our interactive map shows more than 400 of these polluting projects across 48 states.
  • Help Celebrate Our National Parks
    Looking for a National Park Service 100th anniversary T-shirt, national park notecards, a classic Sierra Club stainless steel camping cup, or other gear? We've got it!
  • Sierra Club Outings -- Book Your Trip Today!
    Looking for a getaway? We've got 300+ ideas for you.

    • GO LOCAL

    See what we are doing in:
     
     
    Find activities and events near you
     

    ACT NOW

     

    Be a member of the country's largest, most effective grassroots movement.

    JoinRenew
    We are the nation's largest and most influential grassroots environmental organization.

    MOST POPULAR CONTENT

    Hey Mr. Green! Should I Cut Down Trees For Solar Panels?
    Mr. Green cuts through to the answer.
    Wildlife Behind Bars
    Many creatures now live more in captivity than in the wild thanks to human appropriation of the earth
    See more of our most popular stories

    NOW IN SIERRA MAGAZINE

    Maya Burhanpurkar
    A Future So Bright
    Meet the prize-winning young people working toward a greener, better tomorrow
    Baba Brinkman
    Meet Baba Brinkman, a Science Educator with a Beat
    A Canadian rapper shows audiences the rhythm and rhyme of climate change
    See more content from SIERRA Magazine

    FROM OUR BLOGS

    Compass:
    Why The Sierra Club Is Fighting For Voting Rights In Missouri
    As voters across the U.S. go to the polls on November 8, Missourians will be voting on Constitutional Amendment 6, the so-called Photo ID...
    Michael Brune
    Coming Clean:
    Finding Common Ground
    Climate Parents was founded four years ago on the simple premise that if you care about children then you also care about their future.
    See more from our blogs

    FEATURED OUTINGS

    Oaxaca: Celebrate Day of the Dead in the Cultural Heart of Mexico (16855A)
    October 26, 2016 to November 6, 2016
    Celebrate one of Mexico's most colorful traditions in Oaxaca, the cultural heart of the country and home to 16 indigenous groups. We...
    Marvelous Muleshoe Ranch Service, Galiuro Mountains, Arizona (16287A)
    October 30, 2016 to November 5, 2016
    The San Pedro watershed in this remote Nature Conservancy preserve is of critical environmental concern. We will work on wildlife-habitat...
    Find more outdoor adventures
    Connect with the Sierra Club