Identification of green elements and application barriers in housing development There are various green elements introduced to the housing development industry, which can be identified in the previous studies (Glicksman et al., 2001; Parker, 2004; U.S Department of energy,2009). These elements are summarized into a comprehensive list, as shown in Table1. Whilst great development has been achieved in developing various green elements or technologies in housing development, various barriers exist in their application. These barriers have been