It frequently begins with a charrette or eco-charrette, an intensive design workshop, in which many stakeholders gather to set goals and identify strategies for achieving the desired outcomes.

它通由一组专业计人员与其他与项目相关利益群组成；在这个组内，主要负责人们通立一个目标并且提出策略以获得令人满意项目成果。