Luisa Maffi is the co-founder and director of Terralingua, an organization created 15 years ago around the idea of biocultural diversity. She is also co-author of Biocultural Diversity Conservation: A Global Source Book (Luisa Maffi and Ellen Woodley, Earthscan, 2010), which examines and contrasts numerous projects around the world that take an integrated biocultural approach to conservation.
Canada-based Terralingua has two basic purposes: To promote the investigation of the links between biological, cultural, and linguistic diversity, as well as the adoption of an integrated biocultural perspective on the perpetuation, maintenance and revitalization of diversity on Earth. (...)

The article:
http://blogs.nationalgeographic.com/blogs/news/chiefeditor/2010/06/restoring-human-cultures-to-the-web-of-life.html

Terralingua website:
http://www.terralingua.org/bcdconservation/

The book:
http://www.earthscan.co.uk/?tabid=101785