Dachverband Lehm e.V.
The German Association for building with earth and initiator of this site.

Africa

Egyptian Earth Construction Association (EECA), Egypt
The Egyptian Earth Construction Association (EECA) is an Egyptian non-governmental / non-profit organization founded in 1997 and concerned with Appropriate Building Technology (ABT) as a tool for sustainable development and community building. Based on that approach, it works to develop, apply, and disseminate alternative building technologies that are appropriate for the Egyptian context.

Asia

Abari Adobe and Bamboo Research Institute, Nepal
Abari is a socially and environmentally committed research, design and construction firm that examines, encourages, and celebrates the vernacular architectural tradition of Nepal. Nepal posses sophisticated traditional knowledge of natural materials like adobes, bamboos, stones and reed, and Abari as a research and design firm tries to promulgate these materials into contemporary design practices.
Auroville Building Centre, India
Founded in 1989, the Earth Unit of the Auroville Building Centre aims to research, develop, promote and transfer earth-based technologies, which are cost and energy effective. These technologies are disseminated through training courses, seminars, workshops, publications and consultancy within and outside India. The main expertise is with Compressed Stabilised Earth Blocks (CSEB), but the AVBC also promotes manual rammed earth and other earth based technologies.

Europe

Associazione Nazionale Città della Terra Cruda, Italy
The Italian National Association Cities of the Raw Earth aims to channel the experience of Italian municipalities with high numbers of earthen building stock. Currently focussing on the regions Abruzzo (CEDTERRA) and Sardinia.
CEDTERRA, Italy
The Documentation Centre on Raw Earth Buildings sees itself as a documentation centre for promoting the knowledge of raw earth as a building material, supporting research and the upkeep of local heritage and building methods
Centro da Terra, Portugal
The Centro da Terra is a newly founded registered association for the promotion of new earthen architecture in Portugal and the preservation of existing built heritage. It aims to become a forum for discussion about earthen building materials and techniques, and a centre for continuing the tradition of building with earth
CRATerre, France
CRATerre is the international centre for building with earth at the Faculty of Architecture at the University of Grenoble, France.
Gaiapolis, Bulgaria
The Gaiapolis Foundation is a non-profit NGO for building with earth in Bulgaria. It's activities include the investigation, dissemination and application of different earthen building technologies for the construction of social housing. Through the provision of courses for construction workers it aims to enable poorer areas to provide their own housing and shelter.
Hlína, Czech Republic
"Sdružení Hlinìného Stavitelství" is the Czech Republic Earthen Architecture Association based in Brno. The association promotes the use of clay in new buildings and the protection and preservation of existing clay houses as a part of Czech cultural heritage. Hlína organises courses and excursions and hosts an annual "Healthy Houses" conference.
IG Lehm, Switzerland
The representative body for earth building professionals and interested individuals in Switzerland.
Interaccion, Spain
Founded in 1982 as a non-government organisation, Interaccion was established to promote the protection and restoration of the cultural and architectural heritage of building with traditional (earthen) materials in Spain. As part of this the Research Centre Navapalos was set up as a centre for the investigation and experimentation with traditional materials, techniques and structures (adobe, rammed earth, hybrid techniques). Reconstruction work has been put into practice in the town of Navapalos (Soria).
NJH Earth and Strawbuilder Organisation, Norway
NJH (Norsk jord- og halmbyggeforening) is the Norwegian Earth and Strawbuilder Organisation and promotes building with straw bales as well as with earth. Its membership spans a broad range of professions. It provides information, keeps regular contact with its members, organises workshops, takes part in national professional events and is in the process of establishing links with other like-minded and organisations and professional bodies. At present in Norwegian language only.
The Centre for Irish Earthen Architecture, Ireland
Along with the development and implementation of training courses for both the individual and academic institutions, the Irish Earthen Architecture Centre wishes to establish a monitoring system to deliver competence in earthen architecture to the wider audience: To revive the rural craft skills of earth building, as a consequence of knowledge gained from both current research and local tradition; To ensure the conservation of existing earthen architecture; To promote earth as a contemporary building material; to provide a “centre” for advice and training.

North America

Adobe Alliance, USA
The Adobe Alliance is a non-profit group dedicated to helping communities apply cooperative building techniques in earth architecture; educate groups in fulfilling the widespread need for low cost, salubrious, energy efficient, sustainable housing; enhance rather than blemish landscapes by designing solid contemporary structures of simple design which respect local climatic, environmental and cultural traditions within desert environments.
Adobe Association of the South West, USA
The AASW aims to champion earth construction of yesterday, today and tomorrow with a view to being a voice within the earth building community. Its goals are to share knowledge about earthen construction and to participate with other earth construction organizations. It hosts regularl conferences and membership meetings and publishes the results of the conferences as proceedings.

Oceania

Earth Building Association of New Zealand, New Zealand
EBANZ, the Earth Building Association of New Zealand, produces a bi-monthly newsletter sent to all members covering many aspects of earth building, and also provides equipment, literature, and expertise to its members in New Zealand. EBANZ aims to facilitate networking between its members and all those interested in the earthen building.
Earth Building Research Forum, Australia
The Earth Building Research Forum was established by the Faculty of Architecture and Building at the University of Technology, Sydney, Australia to investigate material properties and constructional aspects of earthbuilding, with particular reference to cement stabilised pressed earth bricks.
EBAA Earth Building, Australia
The EBAA is a non-profit organisation open to all with an interest in earthen building with the aim of fostering and promoting the use of earth building in Australia and worldwide.

South America

ABCTerra, Brazil
The "Associação Brasileira dos Construtores com Terra", the Brazilian Association of Earthen Builders was established in 1997 as a NGO with the aim of promoting, stimulating and developing architecture with raw earth in Brazil. Through research, qualification techniques, execution of works and assembly of a documentation library, ABCTerra hopes to become a centre of reference for earthen building in Latin America.
Ecosur, Latin America
The Network for an Ecologically and Economically Sustainable Habitat. EcoSur strives to promote the use of "Ecomaterials", semi-industrialised and ecologically and economically viable materials, in building throughout Africa and Latin America - most notably MCR (MicroConcrete Roofing tiles) and sun-baked adobe bricks. As a roots organisation for technology transfer it also supports academic investigation into new building materials and techniques
fundacion Tierra Viva, Columbia
A Columbian foundation for the promotion and investigation of earthen building among academics, architects, engineers and other building professionals in Columbia. The foundation conducts academic and technical investigations and has arranged conferences on earthen building and appropriate technology in Latin America.
PROTERRA, Latin America
PROTERRA is multilateral international project and technical cooperative whose focus is the dissemination of earth construction technologies within productive sectors to impact the social policies of Latin American countries. At present PROTERRA has more than 50 members including universities, research centers and companies from 15 Latin American countries. (Spanish and Portuguese language website)