title: A Special Issue from the NARSTO Symposium on Tropospheric Aerosols.
abstract: This dedicated issue of the Journal of the Air & Waste Management Association contains nine peer-reviewed scientific papers that were presented at the NARSTO Symposium on Tropospheric Aerosols: Science and Decisions in an International Community, held October 24-26, 2000, in Querétaro, Mexico.1Other peer-reviewed papers2-9appear in a companion issue of Science of the Total Environment to be published in February 2002. More than 130 papers were presented in platform and poster sessions at the meeting. Approximately 28% of the technical presentations dealt with topics from Mexico, and 15% related to Canada, with the remainder discussing U.S. and global topics.
authors.affiliation: a Desert Research Institute.
authors.forename: John G
authors.initials: JG
authors.lastname: Watson
authors.affiliation: a Desert Research Institute.
authors.forename: Judith C
authors.initials: JC
authors.lastname: Chow
authors.affiliation: b Pacific Northwest National Laboratory.
authors.forename: Sylvia A
authors.initials: SA
authors.lastname: Edgerton