International Education and Resource Network / iEARN/
Started in 1988, iEARN is the world's largest non-profit global network that enables teachers and young people to use the Internet and other new technologies to collaborate on projects that both enhance learning and make a difference in the world.
=> iEARN World website
http://www.iearn.org/
=> iEARN Projects
http://www.iearn.org/projects/index.html 
