A few nice image source images I found:
Cooperative principles can be applied in school settings
Image by opensourceway
Image source:
www.flickr.com/photos/nationaalarchief/3896157508/
Read the article on opensource.com
Cooperative principles can be applied in school settings
Created by Libby Levi for opensource.com
GreenXchange, a commons for the global commons, turns one
Image by opensourceway
Image source:
www.flickr.com/photos/smithsonian/2575986742/
Read the article on opensource.com
GreenXchange, a commons for the global commons, turns one
Created by Dave Maki for opensource.com