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  • EPA Awards Clean Air Research Center Grant to Georgia Tech, Emory

EPA Awards Clean Air Research Center Grant to Georgia Tech, Emory

March 7, 2011 • Atlanta, GA

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The Environmental Protection Agency (EPA) has awarded a five-year grant of $8 million to the Georgia Institute of Technology and Emory to create one of four national Clean Air Research Centers addressing the public health impacts of air pollution. The new centers were announced today at the Society of Toxicology meeting in Washington, D.C.

The Georgia Tech/Emory center, named the Southeastern Center for Air Pollution and Epidemiology (SCAPE), will characterize ambient air pollution mixtures and determine their specific role in human health risks, using new measurement and modeling approaches. The overall goal of the center is to contribute to improved management of air quality for the benefit of human health in the United States.

Air quality engineers and scientists from Georgia Tech will develop and apply detailed measurements and new modeling techniques to identify and track atmospheric contaminants and mixtures of these contaminants suspected of having adverse health effects.

Researchers at Emory’s Rollins School of Public Health will analyze data linking air quality with health endpoints in children and adults, including birth outcomes, asthma and cardiac illness.

Together, researchers will characterize pollution mixtures based on mechanism of action and sources of pollutants in studies ranging from micro-scale assessments to comparisons of cities across the nation. A particular focus will be studying the health effects of mixtures of pollutants in the atmosphere to which people are realistically exposed.

The center will be co-directed by Armistead (Ted) Russell, Georgia Power Distinguished Professor in the School of Civil and Environmental Engineering at Georgia Tech, and Paige Tolbert, professor and chair of environmental health at Emory’s Rollins School of Public Health.

“This center is the culmination of a ten-year collaboration between Emory and Georgia Tech on air pollution research,” says Russell. “By coalescing into a center, we can take this work to a new level – the integrated and trans-disciplinary research will lead to more effective methods for protecting the public from the harmful effects of air pollution.”

Researchers in the new center will work on four interrelated projects.

Project 1: The SCAPE team will develop and deploy new instrumentation to measure oxidants and other pollutants suspected of causing adverse health effects. The project will focus on how these pollutants are generated, transformed and distributed, and will characterize ambient air pollution for the three health studies. 

Project 2: As commuting times and congestion increase, there is growing concern about the health effects of traffic emissions. Emory and Georgia Tech researchers will conduct an intensive study of commuters in the metro Atlanta area to examine exposure to complex particulate mixtures during auto commuting and mechanisms of acute cardiorespiratory outcomes. The study will be among the first to measure several highly sensitive, non-invasive biomarkers of oxidative stress in relation to air pollution exposure. 

Project 3: This project will focus on consequences of early-life exposures on the health of children. Researchers will study two birth cohorts to assess whether air pollution mixtures during pregnancy increase risk for preterm delivery or reduced birth weight, whether children born prematurely are more sensitive to ambient air pollution, and whether air pollution exposures in the first year of life put children at greater risk of developing asthma. 

Project 4: Researchers will study air quality and acute health outcomes in five U.S. cities. The goal is to understand how differences in the mix of air pollutants, weather, population susceptibility and other factors explain differences in the association between air pollution and cardiac and respiratory illness across the cities. The results will clarify the combined impact of these factors on acute cardiorespiratory morbidity across the United States.

“Using novel approaches to characterize air quality and exciting new ways to assess health endpoints, we hope to make major breakthroughs in understanding health effects of ambient air pollution,” says Tolbert. “Specifically, we anticipate that we’ll achieve insights into what aspects of the air pollution mixture are most harmful and how the pollutants act together, information that can be directly used to target control measures to most effectively protect the public’s health.”

The center will focus on important scientific questions remaining in air research, says Paul Anastas, assistant administrator for EPA’s Office of Research and Development.

“These centers are critical to understanding how to improve air quality and protect Americans’ health from complex mixtures of air pollutants,” Anastas says.

Related Links

  • School of Civil and Environmental Engineering
  • The Robert W. Woodruff Health Sciences Center of Emory University

Contact Information

Liz Klipp, Georgia Tech Media Relations,  404-894-6016

Holly Korschun, Emory Health Science News, hkorsch@emory.edu, 404-727-3990

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