碳足迹 Traditional form: 碳足跡 Pinyin (reading): tànzújì Definitions: carbon footprint Characters: 碳 - carbon 足 - foot; to attain, to satisfy; enough 迹 - trace, sign, mark, footprint Traditional characters: 碳 - carbon 足 - foot; to attain, to satisfy; enough 跡 - trace, sign, mark, footprint