“十一五”规划提出了节能降耗和污染减排目标，并作为约束性指标。
The targets for saving energy and reducing pollutant emissions were set forth in the Eleventh Five-Year Plan.
完善节能降耗、污染减排政策，普遍建立节能减排目标责任制。
We improved policies on saving energy and reducing emission of pollutants, and established a general responsibility system for meeting energy saving and pollution discharge reduction targets.
中国于二十世纪八十年代引入排污权交易，其目的是希望能以最低的社会经济成本实现既定环境目标和污染物减排目标。
Since the nineteen eighties, China introduced emission trading to realize environment protection target and reduce pollution discharge with minimum social and economical cost.
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