An Environment Management System (EMS) is a tool for identifying the aspects and managing the impacts of an organisation's activities on the environment. The Environmental Management Systems (EMS) structure recognizes that both environmental and economic performances are directly linked with each other. The primarily purpose of implementing an EMS is to improve an organization’s environmental performance continuously. Benefits of successful implementation of an EMS would include cost reduction in pollution prevention activities, compliance with legislation requirements, and a better organizational image internationally and locally. This review looks into the benefits and role of EMS implementation and three most common frameworks of EMS; 1) ISO 14001, 2) USEPA’s Performance Track and 3) Responsible Care ®.