Development Center for Appropriate Technology
Non-profit organization that supports the development and use of sustainable technology through education, research, and projects. Includes information on working with code officials. Active in revising building codes to include sustainable issues. http://www.dcat.net/
Feilden Clegg Bradley Architects
Firm based in Bath and London, and doing work across the whole of the United Kingdom, specializing in education, housing, offices, and environmentally appropriate designs.
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.
Castleblock
Architects and engineers specializing in alternative building materials and technologies with a focus on high-performance, recycled content materials. Contains concrete form, plywood substitute, and recycled rubber lumber product information.