ICAO DOC 9948 Scoping Study on the Application of Emissions Trading and Offsets for Local Air Quality in
This document outlines a study exploring the scope for the application of emissions trading and offsetting to the
mitigation of airport local air quality (LAQ). The focus of this study is on the total effect of the range of sources of LAQ
emissions within a particular area, rather than on emissions from any particular source.
1st edition, 2011.