The COST Action FP0903 and its first scientific conference are described here. This Action aims at increasing the understanding of state and potential of forest mitigation and adaptation to climate change in a polluted environment. Another key objective is to reconcile process-oriented research, long-term monitoring and applied modelling, for which the concept of “Supersites” (comprehensive forest research sites) is being developed. The conference “Research, monitoring and modelling in the study of climate change and air pollution impacts on forest ecosystems” was held in Rome (Italy) on 5-7 October 2010. It networked the main European communities working on air pollution, climate change and forests. The proceedings of the conference are published in this collection.
