The New Zealand Building Biology & Ecology Institute (BBE) headed by Ar. Alexander Grieg : Registered Architect ANZIA, provides information on how buildings affect the health of people and the environment, and ways of building healthier and more sustainable homes . It promotes the Principles of Ecological Building & Design with publications, workshops and courses, seminars and research.

BBE Architects: Pioneering eco architecture in New Zealand since 1990
Winner of Service Category, 2009 Hawkes Bay Combined Councils Environment Awards
There are offices in Auckland , Wellington and Hawkes Bay which are run in conjunction with eco-architecture practices by graduates of the original IBO Building Biology and Ecology Correspondence Course.