carbon debt
noun [ C usually singular ] environment specialized uk/ˌkɑː.bən ˈdet/ us/ˌkɑːr.bən ˈdet/
碳债
the difference between the amount of carbon dioxide produced by a country, company, etc., and the amount that it offsets
Some studies suggested that a switch to biofuel crops would increase the world's carbon debt. 一些研究认为，转向种植用于炼制生物燃料的作物将加重全世界的碳债。