Meet the Experts

Find experts across Johns Hopkins involved in research and teaching related to environment, energy, sustainability and/or health. The following list is organized by the expert's last name. You can also search by area of expertise.

Learn more about the support E²SHI provides to Hopkins faculty, staff researcher or instructors.

Air Pollution

Gregory Diette

Associate Professor, Division of Pulmonary and Critical Care Medicine
School of Medicine

gdiette@jhmi.eduFaculty Website

Research Areas:
  • Identifying factors that cause or provoke asthma, especially in air pollutants and allergens that are especially problematic in inner city homes. 
  • Examining how dietary patterns, especially a Western style diet may increase susceptibility to inhalable pollutants and allergens.
Keywords: Air Pollution, Behavior Change, Environmental Health, Epidemiology, Health Policy

Lingxin Hao

Professor, Dept of Sociology 
Krieger School of Arts and Sciences

hao@jhu.eduFaculty Website

Research Areas:
  • Conducting national, longitudinal surveys in China with focus on collecting information on exposure to environmental pollution and biomarkers from respondents to measure the degree of human exposure.
  • Understand the spatial and social patterns of population exposure, and aid policy makers in the effort of reducing health risks and enhancing sustainability.
Keywords: Population exposure, Pollution, Sociology

Ben Hobbs

Theodore W. & Kay W. Schad Professor of Environmental Management, Dept of Environmental Health and Engineering, Whiting School of Engineering

Director of the Johns Hopkins Environment, Energy, Sustainability & Health Institute

bhobbs@jhu.eduFaculty Website

Research Areas:
  • Policy, planning, operations and environmental impact of energy systems.
  • Decision analysis and economics of ecosystem restoration.
Keywords: Energy markets and modeling, Air quality, Climate change, Environmental management, Environmental policy, Water

Thomas Kempa

Assistant Professor, Dept of Chemistry
Krieger School of Arts & Sciences

tkempa@jhu.eduFaculty Website

Research Areas:
  • Synthesis of solid-state materials to help address extant challenges in environmental sustainability and in human health.
  • Development of diverse synthetic methods to make solid-state structures and devices embodying new phases, architectures, and topologies. Since these materials can exert unique control over critical physical processes (e.g. mass, charge, and energy transport), they can be used to study un-answered questions in basic science and to define advances in solar cells, catalysts, thermoelectrics, self-assembly, optics, electronics, and biological imaging.
Keywords: Energy, Air Pollution, Water, Waste/Resource Use

Sharon Kingsland

Professor, History of Science & Technology, Krieger School of Arts and Sciences

sharon@jhu.eduFaculty Website

Research Areas:
  • History of science emphasizing history of ecology and environmentalism in 20th century
Keywords: Agriculture/Food, Air Pollution, Cities/Built Environment, Ecology, Population Studies

Roger Peng

Professor, Dept of Biostatistics
Bloomberg School of Public Health

rdpeng@jhu.eduFaculty Website

Research Areas:
  • Health effects of ambient and indoor air pollution.
  • Human health impacts of climate change.

Selected Publications

Anderson, G.B., Bell, M.L., Peng, R.D. (2013). “Methods to Calculate the Heat Index as an Exposure Metric in Environmental Health Research.” Environmental Health Perspectives, 121(10), pp. 1111-1119.

Bobb, J.F., Dominici, F., Peng, R.D. (2011). “A Bayesian model averaging approach for estimating the relative risk of mortality associated with heat waves in 105 U.S. cities.” Biometrics, 67(4), pp. 1605-1616.

Heaton, M.J., & Peng, R.D. (2012). “Flexible Distributed Lag Models Using Random Functions With Application to Estimating Mortality Displacement From Heat-Related Deaths.” Journal of Agricultural, Biological, and Environmental Statistics, 17(3), pp. 313-331.

E²SHI-Supported Projects

"Health effects of extreme heat on asthma."

Keywords: Air Pollution, Climate Change, Environmental Biostatistics

Genee Smith

Assistant Professor, Dept of Environmental Health and Engineering
Bloomberg School of Public Health

genee@jhu.eduFaculty Website

Research Areas:
  • Relationship between climate change and the severity or incidence of infectious diseases.
  • Association between air pollutant exposures and the incidence of active pulmonary tuberculosis in several populations in the US.
Keywords: Air pollution, Climate change, Environmental health, Epidemiology

Darryn Waugh

E²SHI Executive Committee member
Professor, Dept of Earth and Planetary Sciences
Krieger School of Arts and Sciences

waugh@jhu.eduFaculty Website

Research Areas:
  • Large-scale atmosphere and oceanic flow and transport, with a focus on understanding global environmental issues such as stratospheric ozone depletion and climate change. 
  • Air quality/ urban heat and public health

Selected Publications

Waugh, DW, CI Garfinkel, LM Polvani (2015). "Drivers of the recent tropical expansion in the Southern Hemisphere: Changing SSTs or ozone depletion?Journal of Climate, 28: 6581-6588.

Waugh, DW. (2014). "Changes in the ventilation of the southern oceans." Philosophical Transactions of the Royal Society A, 372: 20130269. 

Keywords: Climate change, Atmospheric chemistry, Water/Oceans

Daniel Zachary

Program Director and Senior Lecturer, Energy Policy and Climate Program
Krieger School of Arts and Sciences Advanced Academic Programs

d.s.zachary@jhu.eduFaculty Website

Research Areas:
  • Integrated assessment (IA) modeling – energy infrastructure and air quality models: building coupled (meta-models) and using them to better understand the built environment, including: projecting urban/regional energy infrastructure growth and subsequent air pollution and human impact to inform policy support measures. 
  • Smart grid applications in terms of long-term policy analysis. 
  • Statistical techniques to expand urban IA models to study regional and global energy systems with their subsequent pollution impact.
Keywords: Air pollution, Energy infrastructure, Smart grid, Urban sustainability

The correlation between poverty and obesity can be traced to agricultural policies and subsidies.
— Michael Pollan, The Omnivore's Dilemma