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United Nations Environment Programme ,  [Theo et le ballon géant, Theo y el enorme balón de plástico] ,  [Theo and the Giant Plastic Ball] ,  Theo and the Giant Plastic Ball

United Nations Environment Programme ,  International Resource Panel ,  [Recycling Rates of Metals: A Status Report] ,  Recycling Rates of Metals: A Status Report

United Nations Environment Programme ,  International Resource Panel ,  [Assessing Mineral Resources in Society: Environmental Risks and Challenges of Anthropogenic Metals Flows and Cycles - Summary] ,  Assessing Mineral Resources in Society: Environmental Risks and Challenges of Anthropogenic Metals Flows and Cycles - Summary

United Nations Environment Programme ,  International Resource Panel ,  [Metal Recycling: Opportunities, Limits, Infrastructure] ,  Metal Recycling: Opportunities, Limits, Infrastructure