Dr. Helen Suh MacIntosh



Environmental Epidemiology


Harvard University, Massachusetts Institute of Technology


  • Expert in environmental epidemiology

  • Professor at Tufts University¬†

  • Former writer for Treehugger


Dr. Helen Suh, a professor in the Department of Civil and Environmental Engineering at Tufts University, is an internationally recognized expert in environmental epidemiology. Her research focuses on air pollution health effects and environmental exposure assessment. She wrote an environmental health column for Treehugger in 2006. 

Dr. Suh is also a Senior Fellow in the Department of Public Health, NORC at the University of Chicago. She has served in an advisory capacity for local, national, and international organizations, including the U.S. Environmental Protection Agency and multiple National Academy of Science and Institute of Medicine committees. She has published over 100 peer-reviewed papers in leading environmental health journals.

Selected Awards

  • 1999 Yaglou Award, International Academy of Indoor Air Sciences

  • 1998 Scientific and Technological Achievement 2nd Level Award, USEPA

  • 1994-1995 Postdoctoral Fellowship, Center for Indoor Air Research

  • 1992-1993 Research Fellowship, National Research Service Award, NIH

  • 1990 Environmental Fellow, Switzer Foundation


Dr. Suh received Doctor of Science and Master of Science degrees in environmental health from the Harvard University School of Public Health. She received her Bachelor of Science in biology from Massachusetts Institute of Technology. 

Treehugger and Dotdash

Our mission at Treehugger is to provide advice, clarity, and inspiration for both the eco-savvy and the green living novice. We hope our content gives you the confidence to purchase a better dishwasher, build a green beauty routine, or simply learn more about the world around you.

Treehugger is part of the Dotdash family.

For more than 20 years, Dotdash brands have been helping people find answers, solve problems, and get inspired. We are one of the top-20 largest content publishers on the Internet according to comScore, and reach more than 30% of the U.S. population monthly. Our brands collectively have won more than 20 industry awards in the last year alone, and recently Dotdash was named Publisher of the Year by Digiday, a leading industry publication.