This proceedings volume has been edited from sixty-nine full text papers of the 132 papers presented to the IUFRO (International Union of Forestry Research Organizations) Conference on Environmental Forest Science, which was jointly organized by IUFRO Division 8, "Forest Environment," and Kyoto University in Kyoto, Japan, on 19-23 October 1998. The International Union of Forestry Research Organizations (IUFRO) is one of the oldest scientific societies. It was founded in 1892 to foster cooperation of research units on forestry. IUFRO consists of 650 research organizations from 100 countries....