Selahattin Incecik is Professor in Meteorology, Air PollutionMeteorology and Air Pollution Modeling. Former Head of Department ofMeteorology, ITU. Representative of Turkey in NATO ITM of AirPollution Modelling. Representative of University in NationalAtmospheric Research Council. Lead author of IPCC/TEAP Safeguardingthe Ozone Layer and Global Climate System, 2005 (in preparation).