32nd Annual Report 2023: Convention on Long-range Transboundary Air Pollution : International Cooperative Programme on Integrated Monitoring of Air Pollution Effects on Ecosystems

The Integrated Monitoring Programme (ICP IM) is part of the effect-oriented activities under the 1979 Convention on Long-range Transboundary Air Pollution, which covers the region of the United Nations Economic Commission for Europe (UNECE). The main aim of ICP IM is to provide a framework to observe and understand the complex changes occurring in natural/semi natural ecosystems. This report summarizes the work carried out by the ICP IM Programme Centre and several collaborating institutes. The emphasis of the report is in the work done during the programme year 2022/2023 including:• A short summary of previous data assessments• A status report of the ICP IM activities, content of the IM database, and geographical coverage of the monitoring network• Brief summary of forthcoming publication on heavy metal concentrations trend analysis• Update on developing co-operation with eLTER• Proposed workplan for the next period• Report on IM participation in Canadian led mercury sampling• National Reports on ICP IM activities