Is Your Green Really Green? Assessment Reveals All

A life cycle assessment (LCA) of digital vs. paper would consider the environmental impacts, including energy use and CO₂ emissions, of harvesting trees, manufacturing and transporting paper, printing and recycling or disposal, compared to the environmental costs of manufacturing, shipping, marketing, using and disposing of your digital reader.

Sierra Magazine, The New York Times and TerraPass have recently looked into this issue with regard to books. Their conclusion is that if you read a lot of books a digital reader is greener than paper, but if you read few books, paper wins. One study put the number of books at 40