• Estimation of PM2.5 concentrations using satellite remote sensing, land use information, and meteorology

• PM2.5 composition for source attribution

• National and regional emission strategies to effectively reduce PM2.5 levels

ozone (O3) sensitivity

• Determination of O3 chemical regimes using ground and satellite observations

• O3 mitigation strategies related to precursor gas emissions: NOx vs. VOC controls

• Future scenarios of ambient O3 levels in the context of climate change 

greenhouse gas emissions

• Identification of CH4 and CO2 hotspots and emitters

• Evaluation of energy policies influencing greenhouse gas emissions 

• Strategies to simultaneously reduce greenhouse gases and criteria air pollutants (e.g., PM2.5, NO2, and O3)

Health impacts of air pollution AND climate change

• Health impact assessment of air pollution and weather extremes (e.g., drought and heat wave)

• Environmental justice of air pollution exposures and health outcomes

Environmental radiation (in collaboration with hARVARD UNIVersity)