Dear Colleagues: On behalf of the Scientific and Organizing Committees for the conference “Vegetation Response to Climate Change and Air Pollution – Unifying Evidence and Research across Northern and Southern Hemisphere” organized by the IUFRO Research Group 7.01. “Impacts of Air Pollution and Climate Change on Forest Ecosystems” we invite scientists, managers and decision makers interested in the topic of the conference to visit the revised Website: <http://www.iufro2013.ufop.br/> http://www.iufro2013.ufop.br/. Pre-registration and abstract submission will start on 1 February 2013. For all other deadlines, please see: http://www.iufro2013.ufop.br/index.php/2012-10-15-13-45-25/deadlines. Please note that a location of the conference has been changed from Rio de Janeiro to Ilhéus in Bahia, Brazil. We are looking forward to welcoming you in Illheus! Andrzej Bytnerowicz =========================== Dr. Andrzej Bytnerowicz Senior Scientist USDA Forest Service Pacific Southwest Research Station 4955 Canyon Crest Drive Riverside, CA 92507, USA tel. 951-680-1562