Green Printing - The New Bottom Line
Another approach: use renewable bio-polymer substrates, as described in the recent book Cradle to Cradle (William McDonough and Michael Braungart.
A paragraph from the book: "The tree, among the finest of nature's creations, plays a crucial and multifaceted role in our interdependent ecosystem. As such, it has been an important model and metaphor for our thinking … but also, as such, it is not a fitting resource to use in producing so humble and transient a substance as paper. The use of alternative material expresses our intention to evolve away from the use of wood fibers for paper as we seek more effective solutions. It represents one step toward a radically different approach to designing and producing the objects we use and enjoy, an emerging movement we see as the next industrial revolution."