This article examines some of the most notable green
building programs of North America and focuses on how
environmentally preferable construction materials are
defined and identified within them. Programs examined in
this article include LEED, Green Globes, the Seattle (King
County) Built Green Program, the Austin (Texas) Green
Building Program, the California Green Builder Program,
the Built Green Colorado Program, and the Wisconsin
Green-built Program. It is important to recognize that
these are but a few of the green building programs in existence within the United States and Canada, as well as in a
number of other countries.