Junk mail invades our privacy and clogs our mailboxes, it also claims 100 million trees a year–significantly contributing to climate change. The Junk Mail Effect equals the emissions of nine millions cars, the total emissions of seven U.S. states combined, or the emissions equal to heating nearly 13 million homes for the winter. To get rid of some of yours, go to www.dmachoice.org and opt out of catalogues and credit card offers. Want to do more? Check out www.forestethics.org

There is also a petition available