Long past are the days when the majority of corporations operated solely to achieve economic advantages. An increasing number of contemporary organizations are evolving the concept of practicing business by focusing corporate activities around two concepts--the triple bottom line (economic, social, and environment impact) and intergenerational equity, both of which are achieved through sustainability initiatives. This article discusses three methods for integrating sustainability into projects. In doing so, it defines the two concepts and overviews the three methods. It then identifies the advantages of using these methods, explaining how project managers can incorporate these methods into their projects.