| 1. | This obliges big polluters such as power companies or industrial giants to trade permits allowing them to emit tonnes of carbon dioxide , and other climate - change nasties , within a steadily tightening overall cap 该计划要求能源企业和工业大户等主要污染者进行排污权交易,在逐步收紧的全面总量限制内,排放二氧化碳和其它造成气候变化的排放物。 |