ReefArc: Oystercrete Sea Walls
The ideas of our young people to improve Atlantic life
ReefArc is a modular, curved sea wall built from low-carbon Oystercrete (oyster shells and recycled marine waste). It deflects wave energy to protect coastlines from erosion, traps sediment to rebuild beaches, and encourages marine life growth, blending coastal defense with ecosystem restoration.
Date:
novembro 12, 2025