50 Investible Opportunities for a New Nature Economy Supplementary Appendix 2026

29 Seaweed cultivation and harvest is the sustainable cultivation of marine algae for food, feed, biofuels, and ecosystem restoration – Water quality improvements : Seaweed cultivation helps to mitigate coastal pollution by absorbing excess nutrients, playing a key role in enhancing aquatic ecosystem health. – Reduced competition for resources : In contrast to conventional farming, seaweed does not require freshwater or arable land. Archetype Emerging Nature impact Transformative impact Suitability of financing and de - risking instruments Technological/ process maturity Capital intensity Scalability Bonds Loans Equity Other De - risking Commercial bonds Thematic bonds Sustainability - linked bonds Impact bonds Commercial loans Thematic loans / project finance Sustainability - linked loans Impact loans Commercial equity Private equity Venture capital Impact equity Blended finance Insurance Advanced market commitments Legend: Low High Low suitability High suitability Payments for ecosystem services Land ecosystem Ocean ecosystem Freshwater use Resource use Pollution Co - benefits Climate Social ✓ ✓ – Emerging techniques : Many technologies not yet standardized or widely adopted, with limited R&D compared to other practices – Regional variations : Marine conditions conducive to seaweed farming varies by region – Financing suitability characteristics: Given strong ecosystem benefits including carbon sequestration and water filtration, this opportunity aligns closely with PES and related financing mechanisms. Given emerging characteristics, project, sustainability - linked and impact loans can provide financing for producers, with blended finance mechanisms to support small - scale enterprises - to encourage regional adoption where marine conditions are conducive. Seaweed farming also offers innovative opportunities attractive to private equity and venture capital.– Revenue potential : Growing demand for seaweed - derived sustainable products expected to drive significant market expansion – Moderate initial investment: Infrastructure includes ropes, buoys, harvesting tools and site preparation Negative impact Positive impact Financing target Producers Agri, Food & Forestry Chemicals, Plastics & Pharma Construction Materials Energy Mining Technology Transportation & Logistics Cross - sectoral Automotive Fashion & Textiles Leisure Waste Management Metals & Steel Conditions Biosecurity risk safeguards in place for non - native species Financial impact Revenue increase✓ Opex reduction – Capex reduction – Seaweed cultivation and harvest FINANCING THE NATURE - POSITIVE TRANSITION