Technical Background Report for the Global Mercury Assessment 2013

This report details the technical background to the Global Mercury Assessment 2013, developed in response to Decision 25/5 III, paragraph 36, of the Governing Council of the United Nations Environment Programme. It updates the technical evidence supporting the 2008 assessment and examines mercury sources, emissions, releases, environmental transport, monitoring, measurements, modelling, trends, and inventories, with detailed methodological annexes and references.