The proceedings of the late 1993 conference comprise papers on topics in integrated regional modeling, global and long-range transport, new modeling developments, accidental releases, and model assessment and verification. In addition, there are two special sessions: Athenian photochemical smog inte

The 20th International Technical Meeting on Air Pollution Modelling and Its Application was held in Valencia, Spain, during late 1993. At this conference, a new record of abstracts was submitted, a new record of scientists participated, and a new record of countries was represented. This clearly indicates society's continuous and growing interest in, as well as importance of, the complexities associated with the modelling of air pollution. The conference addressed the following main subjects: integrated regional modelling, global and long-range transport, new modelling developments,...