Here are some projects you may be interested in checking out for possible collaboration:

Flat Classroom Project  

Projects from M. Cofino's blog Always Learning

South Paris Geography - collaborating about time zones

Around the World with 80 Schools

Jenuine Tech Projects

Classroom Braids - about Global travel

The Global Education Collaborative

50 States Project - this class wants to learn about different climates, locations, populations, and cultures of different states

Original image: 'We are all connected.'

http://www.flickr.com/photos/77436208@N00/2885783824 by: Erica Marshall