• The biggest climate march in history. Learn more and sign up now!
  • The fossil fuel industry is trying to snuff out Texas's wind energy boom. It didn't reckon with Greg Wortham.
  • When you go backpacking, pick a route where you're allowed to bring your best bud.
  • "My children and I will breathe easier knowing that cleaner air is coming," said Vernon Muhammad, a father and resident of North Omaha.
  • A journey through the winding rivers in one of our nation’s greatest wilderness icons.
  • Go Local

    July 28, 2014 to August 3, 2014
    Kids age 10 and up: Bring your favorite adult for a week of restoring trails,...
    July 28, 2014
    Our conservation committee generally meets on the 4th Monday evening of each...

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    Ending Energy Poverty
     400 million people in India lack access to electricity. In Uttar Pradesh, India's most populous state, solar is helping rural people get...


    global warming denialism by country
    English-speaking countries are the most likely to doubt human-caused climate change.
    Hetch Hetchy, by Albert Bierstadt
    The median rent for an apartment in San Francisco is $3,285. It costs the city less than that to rent the Yosemite valley that broke John...


    This week on Sierra Club Radio: The 3rd in our 4 part series on previous Goldman Prize winners - this week, Hilton Kelley and Dmitry...
    Last year, about 900,000 people marveled at the majestic old-growth redwoods of Muir Woods. But if President Theodore Roosevelt had not...

    Featured Outings

    September 14, 2014 to September 25, 2014
    Savor "the good life" while touring Tuscany's fabled towns and countryside. We'll explore Florence, Siena, Pisa, San Gimignano, Volterra,...
    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...
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