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Consequences of Global Change For Air Quality Progress Review

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October 4, 2010 Analysis of pollutant emissions related to tropospheric ozone, particulate matter, and mercury that may be altered by future global changes is of great interest to the scientific community. A better understanding of the consequences of global change for regional air quality will be useful for both fully accounting for the impacts of global change and for state and local government emission control strategies to meet air quality standards.

While global scale models are typically used to investigate changes in climate, local air quality is more often assessed with smaller scale regional air quality models. Consequently, predictions of future air quality that rely on global climate simulations will certainly require consideration of how larger scale climatic parameters and processes are transferred to regional models. Accurate prediction of precipitation events is a key challenge to modeling air pollution episodes. Successful predictions of future air quality require a good understanding of both current and future emissions of pollutants and their precursors.

EPA's National Center for Environmental Research, Science to Achieve Results (STAR) grantees will discuss the objectives, approaches, and results from their research with scientists from EPA, state agencies, other federal agencies, and industry.

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