Heidi Trimarco

Staff Attorney CLF New Hampshire

Heidi Trimarco is a Staff Attorney working in the Clean Air & Water and Healthy Communities & Environmental Justice programs. Heidi advocates for clean air and water across New Hampshire, including working closely with CLF’s Waterkeeper to protect the health of the Great Bay estuary. She also works on initiatives to address childhood lead poisoning and is helping to expand CLF’s Environmental Justice program in New Hampshire to address the disparate impact of environmental problems. Before joining CLF, Heidi worked in private practice for over a decade as an environmental attorney and litigator. Her work ranged from the siting and developing of renewable energy projects to groundbreaking PFAS class action lawsuits in federal courts.

Heidi holds a J.D. from Boston College Law School and a B.A. cum laude in Government from Dartmouth College. She is admitted to practice in New Hampshire, Vermont, Massachusetts, New York and Ohio. Heidi is the President of the Board of the Hanover Conservancy, a member of Sustainable Hanover’s Energy Subcommittee, and a Ford Sayre Ski Team nordic coach for K–2 skiers.

Recent Posts

Here’s What a Clean, Equitable Future Should Look Like in New England
An earlier version of this article was posted in October 2020. We all have a vision of what we want for our community. But the harsh reality is that those of us who live in low-income, immigrant, and communities of color have less agency to create that vision than those of us in whiter, wealthier…
What Do We Mean by Environmental Justice?
An earlier version of this article was posted in October 2020. For decades, low-income, immigrant, and communities of color across New England have been overburdened by air pollution from power plants, congested highways, and industrial facilities. These same burdens resulted in COVID-19 and its associated economic crisis taking a much heavier toll on these communities…
Building Communities That Thrive: A Conversation with Dr. Thea James
In the United States, your zip code is a powerful predictor of how long you live. For someone in Newton, Massachusetts, life expectancy extends well into the 90s. But drive just an hour south to New Bedford, and you’ll find it drops to an average of just 68 years old.  It’s tempting to boil down…
Massachusetts Still Needs a Roadmap to Beat Climate Change
UPDATE: As the end of the year approaches, lawmakers are close to taking action that would protect the long-term health and safety of Massachusetts residents. The House Roadmap Bill and the Senate Climate Bill are under review in the conference committee, with legislators stitching together a critical final version to pass on to the Governor.…


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