SDG 13: Climate Action | SDG 14: Life Below Water | SDG 17: Partnerships for the Goals
Ministry of Finance | Ministry of Earth Sciences (MoES) | Ministry of Ports, Shipping and Waterways
The Commonwealth Guide to Blue Bond Issuance provides a comprehensive toolkit for governments to mobilize capital specifically for marine and ocean-based projects. As a subset of the green bond market, blue bonds are designed to address the critical financing gap in ocean conservation and the sustainable blue economy. The guide outlines a structured approach to issuance, emphasizing that a successful blue bond requires a robust “Blue Bond Framework” that aligns with international standards such as the ICMA Green Bond Principles and the Sustainable Blue Economy Finance Principles.
Key Pillars of Issuance and Management The guide identifies several critical phases for developing a high-integrity blue bond:
Pre-Issuance Preparation: This involves defining clear “Eligible Blue Projects” (EBPs) such as sustainable fisheries, coral reef restoration, and marine renewable energy.
Governance and Coordination: Establishing inter-agency task forces is essential to link financial targets with national maritime policies and environmental goals.
Impact Measurement and Reporting: Issuers must commit to transparent reporting on the environmental and social outcomes of the funded projects, often requiring second-party opinions (SPOs) to ensure investor confidence.
Blended Finance Mechanisms: The guide highlights the role of credit enhancements and guarantees from Multilateral Development Banks (MDBs) to lower borrowing costs for sovereign issuers.
What are “Eligible Blue Projects” (EBPs) in a sovereign bond framework? Eligible Blue Projects are specific activities that contribute to ocean health and the sustainable blue economy. These include mangrove and seagrass restoration for carbon sequestration, upgrading wastewater treatment to reduce marine pollution, and transitioning small-scale fisheries to sustainable practices. To maintain credibility, these projects must be mapped against recognized taxonomies and provide measurable environmental benefits.
Policy Relevance
The blue bond toolkit offers a strategic roadmap for India to finance its National Maritime Policy and protect its extensive 7,500 km coastline from climate-induced vulnerabilities.
Marine Conservation and Resilience: Blue bonds can provide the necessary large-scale funding for mangrove restoration and coastal adaptation projects in regions highly vulnerable to rising sea levels.
Sustainable Blue Growth: By mobilizing private and international capital, India can accelerate its transition toward sustainable ocean-based industries like green shipping and responsible tourism.
Leveraging Green Finance Experience: India can build upon its successful sovereign green bond framework to integrate “Blue” components, enhancing its credibility among global impact investors.
Institutional Strengthening: Adapting lessons from Indonesia’s budget tagging and the Seychelles’ blended finance models can help India improve inter-agency coordination for marine governance.
Follow the full report here: Commonwealth Guide to Blue Bond Issuance

