Clean Start: Investing in eco-friendly sea walls

Kind Designs Living Seawalls: A Summary

Key Concepts:

• Living Seawalls
• 3D Printing
• Carbon Sequestration
• Bio-calcification
• Marine Habitat Restoration
• Sustainable Infrastructure
• CO2 Footprint Reduction
• Wave Energy Dissipation
• Artificial Reefs

1. The Problem with Traditional Seawalls:

• Traditional seawalls are environmentally unfriendly, leaching chemicals into the water.
• They destroy marine habitats, acting as flat barriers that prevent marine life from thriving.
• They often require expensive offsets to mitigate their negative environmental impact, as mandated by permitting agencies.

2. Kind Designs' Solution: Living Seawalls:

• Kind Designs, a Miami-based startup, is building non-toxic "living seawalls" that mimic mangroves and other marine habitats.
• These seawalls are designed with ripples and textures to encourage marine life to attach and thrive.
• The goal is to transform structural infrastructure into artificial reefs that support biodiversity and ecosystem services.

3. Functionality and Benefits:

• Structural Integrity: The seawalls protect coastal communities from rising tides and storm surges.
• Wave Energy Dissipation: They dissipate 47% of wave energy, reducing coastal erosion.
• Water Quality Improvement: They improve water quality by creating habitats that filter pollutants.
• Habitat Creation: They create caves and crevices for native species to hide from predators.
• Carbon Sequestration: They sequester carbon through bio-calcification, as marine life deposits their skeletons and shells on the panels. Each panel sequesters approximately 40 pounds of carbon per year, equivalent to a tree.

4. Manufacturing Process:

• 3D Printing: The seawalls are 3D printed, significantly reducing construction time.
• Rapid Setting Cement: Kind Designs uses a rapid-setting cement with a 32% lower CO2 footprint than traditional Portland cement.
• Non-Metallic Materials: The materials are non-metallic, making them non-toxic to marine life.
• Production Speed: Traditional seawalls take a full day to precast and a month to cure, while Kind Designs' seawalls take about an hour to print and three days to cure, allowing for much higher production volume.

5. Cost and Funding:

• The panels cost about $30 per square foot, comparable to traditional seawalls.
• Additional cost savings are realized because living seawalls eliminate the need for expensive environmental offsets.
• Kind Designs has secured $11.5 million in total VC funding from investors including Florida Opportunity Fund, Anthropocene Ventures, Govo Ventures, Overlay Capital, and Mark Cuban Companies.

6. Client Perspective:

• Coastal developers find the carbon sequestration aspect appealing to their clients.
• The living seawalls are more efficient in terms of staging on the project site.
• They can be implemented for the same cost as traditional seawalls.

7. Bio-calcification Explained:

• Bio-calcification is the process by which marine organisms deposit calcium carbonate (CaCO3) to form shells and skeletons.
• This process removes carbon dioxide from the water and atmosphere, effectively sequestering carbon in a solid form.

8. Conclusion:

Kind Designs offers a sustainable alternative to traditional seawalls by creating living structures that protect coastlines, restore marine habitats, and sequester carbon. Their 3D printing technology and eco-friendly materials allow for faster production and reduced environmental impact, making them a cost-effective and environmentally responsible solution for coastal protection. The combination of structural integrity, ecological benefits, and carbon sequestration makes Kind Designs' living seawalls a promising approach to building resilient and sustainable coastal communities.