Charles River Watershed Association (CRWA) works to protect, restore, and enhance the Charles River and its watershed through science, advocacy, and the law. CRWA develops science-based strategies to increase resilience, protect public health, and promote environmental equity in the face of a changing climate. 

Volunteer activities have included:

• Advocating for climate-centered policies (River Advocates Program)

• Representing CRWA at public events (River Ambassadors Program)

• Annual Charles River Earth Day Cleanup

• Invasive plant removal

• Monthly river monitoring

• Habitat assessments