Papers vary in their content of environmental attributes. Buyers can specify papers that have a percentage of post-consumer waste fiber. They can also specify that the fiber used for the paper are certified and come from responsibly managed forests. The Forest Stewardship Council, the Sustainable Forestry Initiative and Green Seal are some of these certifying bodies. For more information on environmentally preferable choices, please visit http://www.thepapermartstore.com/earth-friendly-products/green-certifications in order to access the websites of these organizations.