• Show your support for Portland, and tell President Obama drilling in the Arctic is not an option.
  • Still ironing out your travel plans? We've got 150+ ideas for you.
  • One of the most powerful, inspiring examples yet of the energy transformation that we're driving all across this nation.
  • Join our most dedicated supporters with a monthly Wilderness Guardian pledge by July 24, and a generous donor will chip in an extra $50 for the first 200 new Wilderness Guardians.
  • On June 15, 2015, Alliant Energy committed to phase out coal use at six of its plants in the state, marking the 200th coal plant to retire in the United States since 2010.

    See what we are doing in:


    Defend the Arctic!

    Tell President Obama that we won't back down. It is time to come to his senses, stop all drilling and future leases, and give our pristine Arctic Ocean the protection it deserves.

       Please leave this field empty


    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 Obama administration inched a little closer to disaster yesterday when it issued almost-but-not-quite final approval to Royal Dutch...
    I'd like to be a big fan of tap water, but my city fluoridates its water and I don't want to ingest fluoride.
    Read Mr. Green's response before you reach for bottled water.


    We round up this week's environmental news in 500 words or less.
    Tuolumne Meadows pink sunset
    In a new book collection, photographer Ryan Alonzo celebrates a spectacular corner of Yosemite.


    With the D.C. Circuit’s decision on Tuesday (7/28) on the Cross State Air Pollution Rule ("CSAPR"), some of the last remaining roadblocks...
    Michael Brune
    After five years and a staggering $1.2 billion, the Kalamazoo river may look clean, but no one can say for certain how much oil remains...


    August 2, 2015 to August 14, 2015
    Immerse yourself in Mongolian wilderness as we trek through forest and mountain ranges to a remote yet stunning lake with abundant wildlife...
    September 12, 2015 to September 19, 2015
    Scuba dive one of the most stunning natural underwater habitats on Earth. We'll assist National Oceanic and Atmospheric Administration...
    Connect with the Sierra Club