Seth Johnson

Senior Attorney Washington, D.C. Office


Media Inquiries

Zahra Ahmad
Public Affairs and Communication Strategist

Bar Admissions


Seth Johnson joined Earthjustice in 2010.

He is a graduate of Yale College, where he earned a Bachelor of Arts in history, and of Harvard Law School, where he served as editor-in-chief of the Harvard Environmental Law Review.

Before law school, he worked for several years at a nonprofit in New York that advocates to make New York City a more livable city, concentrating on urban planning and historic preservation.

While in law school, he worked at the National Trust for Historic Preservation and at a law firm in New York, as well as participated in several environmental clinical programs. After graduating, he spent a year working at the Natural Resources Defense Council, primarily on environmental justice matters and issues affecting the New York City region.

The Latest by Seth Johnson

A haze of smog covers the Port of Houston.
March 4, 2019

The EPA Won’t Do Its Air-Protection Job, So We’re Putting It on Notice

We just notified the EPA that we will sue it in 60 days if it doesn't comply with the law.
Smog covers Los Angeles.
December 4, 2017

We’re Suing Pruitt for Ignoring the Law That Would Clean Up Smog

Pruitt isn’t taking the necessary, legally required first step toward getting smog levels reduced, so we're headed to court.
A coalition of green groups and health advocates refutes polluters’ discredited arguments against the Clean Air Act.
August 17, 2016

Health and Environmental Groups Decry Radical Attacks on Anti-Smog Protections

A coalition of green groups and health advocates refutes polluters’ discredited arguments against the Clean Air Act.
Mostovyi Sergii Igorevich/Shutterstock
April 22, 2016

EPA’s Smog Rule Falls Short of Protecting People’s Health, the Environment

The EPA recently set a weak smog standard, ignoring calls from medical professionals and community groups.
Coal fired power plant
June 16, 2015

EPA Forced to Close Dangerous Loopholes in Clean Air Protections

Two lawsuits led by Earthjustice mandated that the EPA stop letting industrial polluters off the hook for pollution when facilities are starting up, shutting down or experiencing “malfunctions.”
Smokestacks loom up from a hazy sky, tinged with orange, at sunset.
December 23, 2014

Court Victory Keeps Intact the Strands of the Clean Air Act

Another Win for Clean Air: The D.C. Circuit rejected an EPA attempt to give cities and counties with unhealthy levels of ozone pollution—or “smog”—extra time to reduce their air pollution. The Court also rejected EPA’s attempt to let some areas prematurely out of an important pollution control requirement designed to bring and keep smog levels down.
July 17, 2013

Conowingo Dam Owners Must Clean Up Their Act

The Lower Susquehanna Riverkeeper, Stewards of the Lower Susquehanna and Waterkeepers Chesapeake today asked to be included in the relicensing proceedings for the Conowingo Dam, about 50 miles northeast of Baltimore. The dam affects water quality up and down the Susquehanna River and throughout Chesapeake Bay, and the groups plan to push the Federal Energy…