Guardian: Of all the natural resources we use every day, paper is one that hardly provokes a second thought. The thin films of tree fibres touch nearly every facet of our lives. From the napkins around paper coffee cups to our morning newspaper, the junk mail and the bedtime book, paper is everywhere. We use more and more of it, and its impact on the environment is huge. Paper manufacture consumes vast quantities of water. Chemicals are used to boost fast-growing monoculture plantations, and …