Case Study 2.3 in The Global Educator feature Ed Gragert, Executive Director of iEARN for many years. If you want to know where modern-day online global collaboration comes from - Ed is one of the founding gurus.
"This timeline takes you through the progress of sustainable development from the publication of Rachel Carson's Silent Spring in 1962 to the present day."
IISD 2009 www.iisd.org