The aluminium inustry is one of the major industrial Sectors agreed for examination. Consultations have been undertaken with experts nominated by Governments, Industry and international governmental and non-govern-mental Organizations, culminating in a Seminar, held in Paris in October 1975. where the state of the art of existing pollution abatement techniques, outstanding problems and possible avenues of research and development to resolve these problems in relation to the environmental impact of the alu-minium industry, were assessed. This report is a synthesis of the evaluation that has taken place. and gives an overview of the decision and policy aspects that pertain to the environmental issues emanating from the aluminium industry.