DESC: Updated from the Green Building Digest Journal, this handbook provides a detailed reference for environmentally concerned puchasers of building products. Containing at-a-glance tables for buyers and specifiers, the handbook also includes an overview of the concepts and resulting literature covering this highly contentious subject, policy thinking, covering methodology for specifiers, case studies, a guide to books an dorganizations and what the future may hold, all in an accessible and user friendly format. Practical examples of using green materials have also been included.