Full-service architecture and community design firm located in Charlottesville, Virginia and San Francisco, California, with an emphasis on sustainable design.

Brooklyn-based architects provide information on photovoltaics, residential and commercial projects, and urban design practices.

Environmental architecture firm located in Sausalito, California providing ecological design for sustainable development, green architecture and natural building.

Ecological architects with offices in Aspen, Colorado and Lawrence, Kansas.

Woman owned firm in Salt Lake City, Utah specializing in environmentally sustainable architecture.

Offers examples of sustainable architecture, housing and arts projects in the UK along with a practice profile and contact details. Located in Dunbar, UK.

Design-build firm involved in the environment and building sustainable architecture. Houston, Texas.

Full- service planning, architecture and interior design firm in New York City specializing in environment / sustainable and human-centered architecture and design.

Offering architecture and energy and environmental consultancy services for residential, commercial, education and arts/leisure. Located in London, UK.

Architectural firm specializing in alternative construction and environmentally appropriate technologies, such as straw bales, earth-rammed tires, pumice-crete, paper-crete and adobe. Contains project photos.