WHAT'S HAPPENING

  • Watch our video! Celebrities from the U.S. and Canada have come together asking the president to do the obvious right thing.
  • Get your 2015 calendar today!
  • Since you value environmental protection and clean energy, you’ll be excited to know we’re launching a partnership with the phone company that stands with you—CREDO Mobile. Switch your phone service today and CREDO will donate to the Sierra Club!
  • Did you know that up to 30 percent of all wood traded globally has been obtained illegally? See what you can do.
  • A walk in the woods will change a child's life. That is, if she ever makes it to the trailhead.
  • GO LOCAL

    See what we are doing in:
     
     
     
     

    ACT NOW

    Tell President Obama: It's time to reject Keystone XL!

    President Obama has all the information he needs to reject Keystone XL once and for all. Take action now to urge the president to reject this dangerous tar sands pipeline.

       Please leave this field empty

     

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

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

    MOST POPULAR CONTENT

    More proof that good things are worth waiting for. About a year and a half ago, my family and I hiked in Colorado's Browns Canyon, along...
    College students, faculty, and administrators at North Carolina's Brevard College are cheering at Friday's news that the school will divest...

    NOW IN SIERRA MAGAZINE

    Gray Fox Sighting
    What this fox has to say about the future of the city
    Bryant Terry
    Alice Waters, Michael Pollan, Mark Bittman, Jamie Oliver--the pioneers of modern-day sustainable eating are household names. But do you...

    FROM OUR BLOGS

    In February I was honored to hear President Obama address a crowd of conservation, historic preservation and labor leaders, high school...
    Michael Brune
    Surprising nobody, President Obama has quietly followed through on his promise to veto the bill from Congress that would have authorized...

    FEATURED OUTINGS

    March 8, 2015 to March 14, 2015
    Leave behind the gray landscapes and come play in Florida's clear rivers, lakes, and springs while protecting a unique ecosystem--the...
    March 8, 2015 to March 14, 2015
    For Hawaiians, Mauna Kea is wahi pana, a sacred place. It's the tallest mountain in Hawaii, and its remaining high-elevation forest...
    Connect with the Sierra Club