A couple of interesting links I found today:

http://www.greenontario.org/index.html

http://www.smartgrowth.on.ca/index.htm

This is a comprehensive site with a lot of great content (I have yet to get through half of it)

http://socialwork.arts.unsw.edu.au/tsw/

A curious and inspiring video about what it takes to convert desert (salted) dirt to productive soil.

http://www.youtube.com/watch?v=sohI6vnWZmk

Dr Bartlett spoke at a recent Post Carbon Toronto Meetup, and although I couldn't make it, I did read a transcript of his talk on this webpage and it's worth the read.

Dr. Albert Bartlett: Arithmetic, Population and Energy
http://www.globalpublicmedia.com/lectures/461