Impacts of Air Pollution and Climate Change on Forest Ecosystems — Emerging Research Needs oleh Elena Paoletti, Andrzej Bytnerowicz, Chris Andersen, Algirdas Augustaitis, Marco Ferretti, Nancy Grulke, Madeleine S. Günthardt-Goerg, John Innes, Dale Johnson, Dave Karnosky, Jesada Luangjame, Rainer Matyssek, Steven McNulty, Gerhard Müller-Starck, Robert Musselman, Kevin Percy