ECE and FAO have the pleasure to announce the Joint Session of the ECE Committee of Forests and the Forest Industry (COFFI) and the FAO European Forestry Commission (EFC), Las2017, taking place in Warsaw, Poland, 9 – 13 October 2017.The theme of Las2017 is 'Forests, our common good: Enhancing sustainable development in light of the Paris Agreement'. The session will specifically focus on forest and forest products in a changing climate.A High-level Segment under the same theme is organized by the Ministry of Environment of Poland on 9 October, 10:00 – 13:00. A separate invitation will be sent to your Minister by the host country.The draft programme for the event, the annotated agenda, all relevant documents for the meeting and information on practical matters regarding the meeting will be made available in due course at: www.unece.org/forests/las2017.The on-line registration form for the meeting is available at: www2.unece.org/uncdb/app/ext/meeting-registration?id=bR9Eq6. Please note that the deadline for registration is 31 August 2017.Las2017 will be held in conjunction with the 4th European Forest Week (EFW), which will be celebrated throughout Europe during the same week. As part of Las2017 and as a contribution to the EFW, there will be the opportunity to organize special events at the joint session in Warsaw under the theme of Las2017. Special events will be taking place from 13:15 – 14:45 on the 9, 10, 11 and 12 October. In case you would like to organize a special event, please refer to the information attached.