碳足印 Traditional form: 碳足印 Pinyin (reading): tànzúyìn Definitions: carbon footprint Characters: 碳 - carbon 足 - foot; to attain, to satisfy; enough 印 - print; mark; seal, stamp Traditional characters: 碳 - carbon 足 - foot; to attain, to satisfy; enough 印 - print; mark; seal, stamp