The free backpackis worth more then $15!  That’s not the reason to join the Sierra Club.  The Sierra Club was started by John Muir in 1892 in an attempt to preserve wilderness via national parks and National wilderness preservation systems.   There’s currently over 1.3 million members for the Sierra Club, acting as Americas most effective advocate group for protecting the environment both locally and globally.  You can add your voice in helping preserve wilderness for your children’s future.  Over 150 million acres of wildlife habitat and wildlands has already been protected because of the Sierra Club.  The Sierra Club membershipsite offers a wealth of information, and educational tools.  You get a subscription to the Sierra Club Magazine, and you can partake in the many Sierra Club outings in your local area.  Find information and volunteer to help save the worlds wilderness through Sierra Clubs site and maybe even see the world through their volunteer vacations.  Memberships start at only $15, and you get one year subscription to Sierra magazine, member only outdoor adventures, and great discounts on Sierra Club calendars, merchandise and books.  A Sierra Club gift membership also makes a great green gift.  Join now and get your free backpack with Sierra Club coupon.