WHAT'S HAPPENING

  • Stand with us by doing what YOU like best—hiking, baking, dancing, or using upcoming celebrations like Giving Tuesday to ask for donations.
  • Thank President Obama for protecting the Arctic and Atlantic Oceans, and continuing a climate legacy that belongs to us all.
  • 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.
  • Sierra magazine's annual list. These are the colleges working hardest to protect the planet in 2016.
  • Looking for a getaway? We've got 300+ ideas for you.
  • GO LOCAL

    See what we are doing in:
     
     
     
     

    ACT NOW

    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

    NOW IN SIERRA MAGAZINE

    A list of off-the-beaten-path wild places
    Company Town
    The documentary makers behind Company Town talk about pollution, whistle-blowing, and environmental injustice

    FROM OUR BLOGS

    Michael Brune
    As we move forward with a new Congress and this new administration, here are some early thoughts on how the Sierra Club will confront the...

    FEATURED OUTINGS

    Walking in Alaska
    Delve into uncharted territory on these rare journeys to the wildest regions of the States.
    Service Trip volunteer participants group shot
    Give back on a fun and rewarding volunteer vacation, with free time for hiking or taking it easy.
    Connect with the Sierra Club