Great Diamond Island

Great Diamond Island Sea Level Rise Partnership

The Great Diamond Island Sea Level Rise Partnership (GDI Partnership) is a group of volunteers working to better understand and address the environmental challenges facing Great Diamond Island. Focused on issues such as climate change, shoreline erosion, sea-level rise, and island sustainability, the Partnership brings together residents, community leaders, and regional supporters from the Casco Bay area and beyond to share information, build awareness, and support informed stewardship of the island's natural and community resources.

This website provides information about the projects, research, and community initiatives the GDI Partnership has been involved with. It is intended to share resources, project updates, and lessons learned while helping residents better understand the environmental issues affecting Great Diamond Island.

GDI STORM PROFILES AND VIDEOS FUTURE STORM TIDES AND SLR PROJECTIONS 2025 GDI RESILIENCE WORKSHOP CALLING YOUR BLUFF ANATOMY VIDEO CALLING YOUR BLUFF SYMPOSIUM VIDEO SERIES CALLING YOUR BLUFF TOOLKIT GDI OURSHORE SITE EROSION EVALUATONS