When it comes to cutting paper consumption, every bit matters, even the facial tissue you choose. Grist has conducted a review of which tissues are the greenest (no pun intended). Of course the most eco-friendly choice is a cloth handkerchief, but if the convenience of disposable tissues is a necessity, you can make choices that clear your nose without clearing the forests at the same time.
Image courtesy of AnA oMeLeTe, licensed under Creative Commons.