Public wildlands give us so much. They provide places for recreation and solitude, clean air and water—even potent symbols for our national identity. If you're looking to give back to these lands, take a look at our list below.
The nation’s largest celebration of trails, National Trails Day, is a chance to celebrate trails by hiking, biking, running or riding on a trail near you.
Volunteer Vacations: Spend a Week Helping Wilderness
Earth Day 2011, this April 22, reminds us that even in this time of unprecedented environmental challenge, every citizen has the power to affect change on a local, national and global level.