Abstract
In the present paper, a carbon footprint (CF) of a silver ring was evaluated by the assessment of the material flow and energy consumption in the production process. The boundary of analyzing CF was defined as Business to Business (B2B). All primary data were obtained from the studied factory. Raw material acquisition of silver has found to be the main GHG contribution of CF and was considered as a hotspot of CF. It was accounted 0.9740 kg CO 2 eq (carbon dioxide equivalent) or 94.44%, followed by GHG emission from the production process 0.0573 kg CO 2 eq and transportation 0.002 kg CO 2 eq, respectively. Meanwhile, the total CF of silver ring was 1.03 kg CO 2 eq per a silver ring product. To reduce CF of a silver ring, it could be suggested that choosing low GHG emission of producing silver can lead to significant reduction of the CF. In addition, options for recycling waste and using high performance of electronic equipment are also suggested in this study
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