Doing development differently. There are countless definitions of sustainability. According to Mark Roseland sustainable development does not simply mean environmental protection and economic growth. The true meaning of sustainable development is explained by Mark Roseland (Director of the Centre for Sustainable Community Development at Simon Fraser University, Vancouver, and Professor in SFU’s School of Resource and Environmental Management) in his lecture at the Delft University of Technology on Monday May 26. In his lecture he paints a bigger picture of sustainable development and explains more about Sustainable Community Development (SCD).