Environmental policy -- Economic aspects
Try the following subject search terms in SOLO
Environmental impact charges
Related subject searches which may also be useful
Climatic changes -- Government policy
Greenhouse gas mitigation -- Government policy
Carbon dioxide mitigation -- Economic aspects
Some parts of the Bodleian may well have useful titles - look at the Find & Request results carefully & be prepared to travel (eg to the Radcliffe Science Library!) or put in a Request for Closed Stack items.