WHAT'S HAPPENING

  • The biggest climate march in history. Learn more and sign up now!
  • In India, 400 million people still lack access to electricity. Read how hyper-local solar-energy systems are lighting up the country's darkest outposts.
  • See that bushy-tailed rodent chattering in the tree outside your house? It could be preparing to take down the electric grid.
  • New animals in stock! Adopt a wild animal and help support the Sierra Club.
  • This week, tens of thousands of people will check out the hottest new EVs (and old favorites) at more than 140 events in 35 states. Find an event near you.
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    MOST POPULAR CONTENT

    Take a look our videos and see why we need you at the People's Climate March. Watch and share with your friends. And don't forget to RSVP...
    Valley Uprising features bold newcomer, Alex Honnold, as he free solos the big walls of Yosemite.
    Just in time for Yosemite’s 150th birthday, Valley Uprising portrays the respective histories of rock climbing and Yosemite as inextricably...

    NOW IN SIERRA MAGAZINE

    Valley Uprising features bold newcomer, Alex Honnold, as he free solos the big walls of Yosemite.
    Just in time for Yosemite’s 150th birthday, Valley Uprising portrays the respective histories of rock climbing and Yosemite as inextricably...
    Welcome to the neighborhood
    "Dear Mr. Muir: Your home address is incorrectly configured. Please adjust your settings."

    FROM OUR BLOGS

    "In New York, I will announce that the government will change its position on the financing of coal-fired power plants abroad." -- German...
    We're right in the middle of Wilderness Week, and this year it's a special one because we just celebrated the 50th anniversary of the...

    Featured Outings

    September 28, 2014 to October 4, 2014
    Hike through history on the scenic trails of the picturesque Catskills as trees begin to turn brilliant shades of gold and red. Hike to New...
    October 12, 2014 to October 18, 2014
    Kayak the Grand Strand during a unique time of year when the summer crowds are gone, oyster roasts are on the menu, and air and water...
    Connect with the Sierra Club