Brendan Barrett is a senior lecturer in Sustainability and Urban Planning at RMIT University. His professional career includes work in the private sector, academia and with international organizations. He uses the web and information technologies as a means to communicate, teach and undertake research on issues of environment and human security. Prior to joining RMIT he worked in the United Nations for close to 20 years with UNEP and the UN University (UNU). He is a visiting researcher at the UNU Institute for the Advanced Study of Sustainability in Tokyo, Japan, and a visiting associate professor at the University of Tokyo.