Nathan Kipnis Architects Inc
A full service architectural firm in Evanston, Illinois specializing in energy efficient design for residential and commercial projects in the Chicago area. http://www.nkainc.com/
US Green Building Council
A leading non-profit organization in the dedicated to sustainable building design and construction. Developers of the LEED building rating system.
Cedar Bay Homes
Custom home builder in Kitsap County, Washington incorporating green building techniques.
The Green Engineer
Dedicated to exploring issues related to sustainable design of buildings, with a focus on mechanical and electrical systems. Includes Q and A bulletin board, ideas to make your building more sustainable, links to other resources.
Sustainable Sources
Online collections of information on sustainable building, eco travel, and Latin American environmental issues. Keyword searchable.