WHAT'S HAPPENING

  • Take Action: Tell Your Senators to Oppose Exxon CEO Rex Tillerson for Secretary of State
    Send a message to your senators urging them to stand for people and the planet by strongly opposing Tillerson's nomination for Secretary of State!
  • President Obama Establishes New National Monuments on His Way Out of Office
    Three new monuments celebrate civil rights history; two existing land and water monuments expanded.
  • Join Team Sierra
    Stand with us by doing what YOU like best—hiking, baking, dancing, or using upcoming celebrations like the holidays to ask for donations.
  • Obama Bans Oil Drilling in Arctic, Atlantic
    Trump won’t be able to override the ban, which has the force of law.
  • Tell Big Banks to Divest from Dakota Access Pipeline
    Urge the big banks to stand on the right side of history and divest from the Dakota Access Pipeline.
  • Sierra Club Outings -- New Trips for 2017!
    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

    The Women’s March on Washington Will be Big, and It Might be Uncomfortable. That’s How It Should Be.
    The day after Donald Trump becomes president of the United States, everyone from longtime organizers to people who’ve never attended a...
    A Backpacker’s Theory of Life
    What I learned my first summer in the Sierra Nevada—and since
    See more of our most popular stories

    NOW IN SIERRA MAGAZINE

    Donald Trump Revives an Old Industry Playbook for Icing the EPA
    Polluting industries have long sought to co-opt the nation’s environmental watchdog to weaken federal law enforcement
    Wyoming Tries to Prop Up Coal by Banning Clean Energy
    Wind and solar power would be “noneligible” for state utilities
    See more content from SIERRA Magazine

    FROM OUR BLOGS

    Sierra Club Outdoors:
    Welcome Mabari Byrd!
    Mabari Byrd joins the Sierra Club Outdoors team as the Delaware Watershed Community Coordinator, based in Philadelphia. He'll facilitate...
    Michael Brune
    Coming Clean:
    It's Time to Take a Stand
    Donald Trump's ability to wield power will depend on us and, as President Obama put it, how we choose to participate. 
    See more from our blogs

    FEATURED OUTINGS

    Landscape
    Hundred of New Sierra Club Trips Are Here!
    Check out our full 2017 trip roster spanning the States and across the globe.
    Service Trip volunteer participants group shot
    Service Trips/Volunteer Vacations
    Give back on a fun and rewarding volunteer vacation, with free time for hiking or taking it easy.
    Find more outdoor adventures
    Connect with the Sierra Club