Worldwide, the expensive, energy-intensive process of turning wood into paper costs the pulp and paper industry more than US $6 billion a year. Much of this expense involves separating wood's cellulose from lignin
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/no-pulp-fiction
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chakra