剑桥词典the difference between the amount of carbon dioxide produced by a country , company , etc., and the amount that it offsets 碳債 Some studies suggested that a switch to biofuel crops would increase the world's carbon debt . 一些研究認爲，轉曏種植用於鍊制生物燃料的作物將加重全世界的碳債。 返回 carbon debt