pollution permit meaning in English

污染许可证

Research on pollution permits trading and its application
排污权交易及其应用探讨
Analysis on the marketisation of the trade of pollution permits
排污许可权交易的市场化探析
On tradable pollution permits
排污许可证交易的理论与实践
The environmental protection agency began holding annual auctions to sell the pollution permits
美国环保署每年开办标售会，出售污染许可。
System of emission trade is a mean of the environmental protection which is based on the market , maintaining total amount of pollution permits in certain region , establishing pollution permits and letting this right of units be traded like a commodity
摘要排污权交易制度是以市场为基础的保护环境的方式，即在保持一定区域污染物排放总量不变的前提下，确立排污权，允许各个排污单位的排污权像商品那样买卖。