Since the proposition of emissions trading by American economist Dyers in 1968, it has been applied by the United States of America to the management of atmospheric and river pollution sources since the 1970s.
排污权交易自1968年由美国经济学家戴尔斯提出以来,20世纪70年代开始美国将其应用于大气及河流污染源的管理。