The nation’s largest assessment of mercury contamination started as a project between scientists, teachers, and students at Acadia National Park. How has the help of more than 6,000 citizen scientists improved our understanding of mercury pollution across the US? Schoodic Institute at Acadia National Park: www. schoodicinstitute.org The Dragonfly Mercury Project: https://www.nps.gov/subjects/citizenscience/dragonfly-mercury-project.htm Schoodic Notes: https://schoodicnotes.blog/