>   I'm glad you mentioned Daniel Quinn.
>   Jean Leidloff's Continuum Concept,
>
>   You can also have a look at my page about Tomas Ljungberg's book
>   "Människan Kulturen och Evolutionen. That book is planned to be
>   translated into english - by Daniel Quinn
>

Anyone interested in this subject will find a wealth of similar concepts
if you do a search on ecopsychology.  I haven't looked in quite a while,
but I'd take a gander that Quinn's and other's material are incorporated
into the curricula of ecopsychology educators.

Lois