I found what looks like a great but unaffordable to most $5,000 study on sustainable behaviour, Even the introduction is worth reading see:
http://www.hartman-group.com/hartbeat/2008-04-22
-- Theresa Southam,
Principal
Southam Consulting Inc.
http://www.southamconsulting.com/
1420 Falls Street, Nelson, BC V1L 1J4
Phone: 250-354-1088
Fax: 250-354-1033
email:[email protected]