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  • Watch our video! Celebrities from the U.S. and Canada have come together asking the president to do the obvious right thing.
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  • Do you know where your hardwood floors come from? There’s a chance some of your household wood products were sold to you at the expense of the habitats of endangered species -- and possibly your health.
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    MOST POPULAR CONTENT

    Golden Gate Bridge at lights out
    Cities worldwide turn the lights out to curb climate change.
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    A handful of health-minded and ecofriendly companies have provided some alternative products to help make the crimson tide a little greener.
    A partial lunar eclipse from 2007.
    Don't miss the lunar eclipse and Lyrid meteors this month.

    FROM OUR BLOGS

    Last month, the Sierra Club helped lead the 10 day opening session of the second annual Community Organising Fellowship, an event where we...
    Michael Brune
    Just after midnight, 26 years ago today, the Exxon Valdez supertanker ran aground on Bligh Reef in Alaska's Prince William Sound. At least...

    FEATURED OUTINGS

    April 4, 2015 to April 11, 2015
    Trek cross-country through a canyon so mysterious, its name isn't found on modern maps. With stone battlements impassable to ordinary...
    April 4, 2015 to April 11, 2015
    Trek cross-country through a canyon so mysterious, its name isn't found on modern maps. With stone battlements impassable to ordinary...
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