WHAT'S HAPPENING

  • Sierra magazine's annual rankings of the most eco-literate colleges and universities. Check out the list!
  • The L.A. Metro, the second largest transit agency in the United States, voted to ensure that all of its more than 2,200 buses will run on battery electric power by the year 2030.
  • 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

    Witnessing a big eclipse on a small farm (spoiler alert: there was no electronica)
    A weekly roundup for busy people

    NOW IN SIERRA MAGAZINE

    Essays by a recovering environmentalist
    Scythe in hand, a "recovering environmentalist" takes a whack at planet politicking
    The Quarry Fox
    A new book, The Quarry Fox, is a celebration of New York's Catskill Mountains

    FROM OUR BLOGS

    In Pueblo, Colorado, the local utility puts profits above the well-being of ratepayers like Michael Tannahill, who’s had his electricity...
    Michael Brune
    Californians aren’t just talking about clean energy, they are aggressively pursuing it.

    FEATURED OUTINGS

    Photo of Mountains and Lakes
    Indulge your wanderlust on these tantalizing tours the world over.
    Outings trips participants enjoying the mountains
    Whatever you're seeking in the perfect vacation, you'll find it here.
    Connect with the Sierra Club