470 This study investigates the effects of environmental management practices on the sustainability of multinational companies in south-south, Nigeria. The specific objectives were to ascertain the effects of total quality management on economic sustainability and to determine the effects of technology option on environmental sustainability. Data were collected from secondary sources, from journal publication, book, unpublished article and thesis, newspapers, and organizations websites.  Based on the literature review, the study found out that quality management practices positively affected economic sustainability, and that green technologies positively affected social-environmental sustainability. Therefore, it was concluded that the sustainability of the multinational companies and business environment depends on environmental management practices. The study, therefore, recommended that government should empower the institutions and agencies at all levels responsible for enforcement of environmental laws in line, with section 20 of the 1999 constitution of Federal Republic of Nigeria and that government should compel multinational organizations to adopt green technologies in their operations.    https://jbrmr.com/details&cid=470 https://jbrmr.com/cdn/article_file/2019-04-01-11-37-11-AM.pdf Volume 13 Issue 03 37 2019-04-01 2019-04-01 no Environmental Management Practices Environmental Management System Quality Management Sustainability Green Technology none 593275 146 5 Obamen Joseph Business Management Department, University of Nigeria, Enugu Campus, Nigeria Omonona Solomon Business Management Department, University of Fort Hare, South Africa Okenwa O. C. Gabriel Business Management Department, University of Nigeria, Enugu Campus, Nigeria Johnny Eluka Business Management Department, University of Nigeria, Enugu Campus, Nigeria