This paper aims to study whether Human Resource Management and the organizational practice srelated to NewForms of Work Organization(NFWO) (e.g.,teamwork, training, and employee involvement) should be implemented to attain higher environmental and social sustainability performance. This potential connectionis analyzed using the International Manufacturing Strategy Survey 2009 database containing data on the assembly industry. Several hierarchical regression models are used to study the direct impact of the considered practicesons ustainability performance and the irinteractions we sustainability action programs.