As an example of a course which focuses on Engineering and Social Justice here are two links related to the course “Engineering and Social Justice:Critical Theories of Technological Practices” Caroline Baillie and Richard Day taught at Queen’s University, Canada in 2006, 2008, and 2009.
The first links to the 2006 course page: http://engineeringjustice.wikispaces.com
The second links to a social student space used in 2009: http://mdep221.ning.com