There is growing interest in widening public participation in research and practice in environmental decision making and an awareness of the importance of framing research questions that reflect the needs of policy and practice. The Top Ten Questions for Forestry (T10Q) project was undertaken in 2008 to investigate a process for compiling and prioritizing a meaningful set of research questions, which were considered by participating stakeholders to have high policy relevance, using a collaborative bottom-up approach involving professionals from a wide set of disciplines of relevance to modern forestry. Details are presented of the process, which involved an online survey and a workshop for participants in the UK and Republic of Ireland. Sur...