No longer solely the domain of environmentalists and ecologists, "sustainable" or "green" business practices and engineering designs are becoming a central part of the planning of many of the world's most influential companies, such as Hewlett-Packard, Honeywell, Dow, and Agilent. Companies are overwhelmingly not only finding that sustainable business and engineering practices are good for environment, but also improve the image of the company and quite frequently the "bottom-line." Dorf's 1975 publication, (ISBN: 0878350470), sold over 70,000 copies. The completely new is created to meet the swelling demand for unified practices of both business people and technologists in the creation of a "greener" sustainable world.