Climate Change & Health


Email:  Twitter: @DrAriBernstein

Ari Bernstein

Interim Director, Climate Change & Health Initiative

Aaron (Ari) Bernstein is a pediatrician at Boston Children’s Hospital and an Assistant Professor of Pediatrics at Harvard Medical School. Dr. Bernstein focuses on the health impacts of the climate crisis on children’s health and healthcare, and on advancing solutions to address its causes to improve the health and well-being of children around the world.

At Harvard, he serves as the Assistant Faculty Lead to the Harvard Global Health Institute’s Climate and Health Initiative and the co-Director of the Center for Climate Health and the Global Environment (C-CHANGE) at the Harvard T.H. Chan School of Public Health.

In 2015, he was awarded a Lokey-Businesswire visiting professorship at Stanford University and has also been a visiting professor at Columbia University. Dr. Bernstein has been a member of the Harvard President’s Climate Change Task Force and co-Chairs the University Food Standards Committee.

He serves on the American Academy of Pediatrics Council on Environmental Health Executive Committee, the Board of Scientific Counselors to the CDC’s National Center for Environmental Health and Agency for Toxic Substances and Disease Registry, and is Chair of the Board of Directors of the U.S. Green Building Council.

After receiving his bachelor’s degree in Human Biology from Stanford University, he received graduate degrees in medicine (MD) and public health (MPH), from the University of Chicago and Harvard University, respectively. He is a recipient of Stanford University’s Firestone Medal for Research and a Harvard University Zuckerman Fellowship.

An avid bicyclist, Dr. Bernstein pedals to and from work year-round.


Email: Twitter: @ReneeNSalas_MD

Renee Salas

Affiliated Faculty

Dr. Renee N. Salas is Affiliated Faculty and previous Burke Fellow at the Harvard Global Health Institute (HGHI) and a Yerby Fellow at the Center for Climate, Health, and the Global Environment (C-CHANGE) at the Harvard T.H. Chan School of Public Health. She is also a practicing emergency medicine physician in the Department of Emergency Medicine at Massachusetts General Hospital and an Assistant Professor of Emergency Medicine at Harvard Medical School.

Dr. Salas served as the lead author for the 2018 and 2019 Lancet Countdown on Health and Climate Change U.S. Brief and will again in 2020. Dr. Salas was a Co-Director for the first Climate Crisis and Clinical Practice Symposium and launched the broader Initiative in partnership with The New England Journal of Medicine and serves on the planning committee for the National Academy of Medicine’s Climate Change and Human Health Initiative. She engages in research on how climate change is impacting the healthcare system and developing evidence-based adaptation. She lectures on climate and health nationally and internationally, has published in high impact journals, and her work and expertise has been featured in mainstream media outlets like the New York Times, NPR, Time, and the Associated Press. Her Doctor of Medicine is from the innovative five-year medical school program to train physician-investigators at the Cleveland Clinic Lerner College of Medicine with a Master of Science in Clinical Research from the Case Western Reserve University School of Medicine. Her Master of Public Health degree is from the Harvard T.H. Chan School of Public Health with a concentration in environmental health.



Twitter: @eliyahulehmann

Elie Lehmann

Research Assistant

Elie graduated from Cornell University in 2018 where he studied Philosophy and Global Health. He joined HGHI in 2018 as a research assistant where his focus is on the Climate Change & Health, Technology & Health, and Health Equity portfolios.

Elie is excited to continue pursuing his passion for global health through programing and research at HGHI. In his spare time, Elie enjoys Ultimate Frisbee, playing music, and making pizza.