Seth Hartley

An atmospheric scientist with nearly 20 years of experience, Seth focuses on the air quality, climate, and public health impacts of transportation. He works with various clients, including the United States Environmental Protection Agency, the Port of San Diego, the Federal Highway Administration, Puget Sound Clean Air Agency, the Southern California Association of Governments, and others.

Seth led the American Lung Association’s The Road to Clean Air electric vehicle report that demonstrates the potential for major public health and climate change benefits through a robust nationwide transition to electric vehicles. He sets regulatory standards for nitrogen dioxide and sulfur dioxide air pollution and leads a national assessment on community exposure to exhaust from ports.

Seth oversees air quality and health impact evaluations for large infrastructure projects, including California’s high-speed rail and the modernization of San Diego’s transportation network. He also conducts international training and analyses on mobile source greenhouse gas emissions and supports the Department of Transport and planning organizations on the climate and air quality impacts of their transportation plans.

Seth holds a bachelor’s degree in Physics from North Carolina State University and a master’s in Atmospheric Sciences from the University of Washington, Seattle.