Salt marshes are crucial for preventing coastal flooding and yearly erosion on the mainland. The Brentwood High School InvenTeam is inventing a device called "The Marsh Muscle"- Multi-Unit Sensor for CLimate and Ecosystem monitoring (M.U.S.C.L.E), which can measure pH, salinity, and temperature to track salt marsh health. The invention will utilize a cost-effective sonde (instrument probe) that will be connected to the feedback response of Atlantic coast stress organisms known as Geaukensia demissa to correlate environmental changes. The device intends to attract environmental scientists who are interested in citizen science and data collection. Data will be shared through a web application.

Infographic featuring the state outlines of the eight teams. The teams, their towns and inventions are listed above their state graphic. On the right, "8 teams of high school students from across the US, using an online platform to stay connected to their community and MIT, each awarded a $10k grant for inventing solutions to real-world problems."
Infographic of the 2021-2022 Lemelson-MIT InvenTeams