If you're curious about large scale change and the new emerging generative story, you must look into Otto Scharmer's Theory U.
Here's a good talk to listen to for an introduction:

http://heartlandcircle.blogs.com/circle/2008/06/theory-u-leadin.html?cid=121075882#comment-121075882

The theory is a simple articulation of what's needed for the next evolutionary step in human culture in awareness. Its talks about what, I believe the practice of Holacracy (http://holacracy.org) makes practical and possible.

Evan