- My research group currently has three paths of inquiry, two related by our group's ability to measure and characterize air quality and the associated impacts, and one focused on technology adoption and uptake in the developing world. We are engaged in the collection and characterization of airborne particulate matter (PM) followed by the subsequent use of the measurements to drive epidemiological research; we are trying to understand which sources of PM are causing the mortality and morbidity. A second path of inquiry involves developing the next generation of tools that can be used to assess a person's exposure to harmful air pollutants. Over the past five years, we have had a proliferation of projects spin out of our initial NSF MAQS effort. This path now includes two projects that involve cookstove assessment in the Sahel of Africa as well as three projects that some aspect of citizen science.