• 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.
  • A little web company helps people find jobs far from the urban bustle.
  • See that bushy-tailed rodent chattering in the tree outside your house? It could be preparing to take down the electric grid.
  • Adopt your wild animal before August 31 for a 25% discount! Just use discount code ADOPT25 at checkout.

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    Speak out for a strong Clean Power Plan
    The EPA's Clean Power Plan is a big step in the fight against runaway climate pollution. Raise your voice to make it even stronger!
    Join 46750 others and Take Action

    Be a member of the country's largest, most effective grassroots movement.

    We are the nation's largest and most influential grassroots environmental organization.


    The BMW i3 made its debut in U.S. markets in May. The best way to describe the car is that it's radically different. It really looks like a...
    TRANSPORTATION TO THE MARCH The People’s Climate Train will be booking up as many seats as possible together on a regularly scheduled...


    September Stargazing and Super Moon
    Days get shorter and planets come out to play. See what stargazing you should be doing in September.
    Hey Mr. Green -- Find out the answer
    Urban gardeners beware - lead may be lurking in your soil. Mr. Green tells us how to remedy the problem.


    Years ago, the conventional wisdom was that going up against the coal industry was a losing proposition. After all, there was a reason the...

    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...
    Connect with the Sierra Club