Welcome to o.s.Earth, home of the Global Simulation Workshop, an
exciting and innovative learning tool for schools, universities, and
corporations. A direct descendant of R. Buckminster Fuller's famous
World Game, the Global Simulation Workshop is a 3-hour interactive game
that builds critical skills and teaches its participants about global
issues.

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

http://ptlslzb87.blogspot.com/