Blue Economy for Investors

Understanding ocean-related risks, opportunities and the evolving investment landscape.

The ocean underpins global trade, food systems, energy, communications, tourism and coastal economies. Climate change, biodiversity loss, pollution, resource depletion and evolving regulation are creating new risks for ocean-dependent industries.

At the same time, investment opportunities are emerging across renewable energy, sustainable aquaculture, maritime infrastructure, coastal resilience, blue finance and nature-based solutions. For institutional investors, the blue economy is becoming both an investment opportunity and an increasingly important dimension of portfolio risk.

How are institutional investors approaching blue economy?

The Blue Economy is moving onto the institutional investment agenda. But what does it mean in practice for investors?

Global Advisory Alliance and the Principles for Responsible Investment are bringing together institutional investors and specialists to examine how ocean-related considerations are entering investment decision-making.

The briefing will explore the financial materiality of ocean-related dependencies and risks, emerging investment opportunities, regulatory developments, and practical approaches to integrating Blue Economy considerations into investment processes and stewardship.

Join the discussion and hear how institutional investors are beginning to navigate this evolving investment landscape. Register for the investor briefing here.

What is the blue economy?

The blue economy encompasses economic activity connected to oceans, seas and coastal areas. It includes established industries such as shipping, ports, fisheries, aquaculture and coastal tourism, alongside emerging areas including offshore renewable energy, blue biotechnology, marine pharmaceuticals, blue carbon and ocean-based climate solutions.

The investment question extends beyond companies operating directly on the ocean.

Global supply chains, food companies, infrastructure owners, sovereigns and other businesses can depend indirectly on healthy marine ecosystems and ocean-based economic activity.

The Ocean Framework identifies direct ocean exposure across sectors including maritime transport, fisheries, aquaculture, marine and coastal tourism, marine renewables, port infrastructure, subsea telecommunications, blue biotechnology and marine pharmaceuticals.  

This makes the blue economy relevant across listed equities, fixed income, infrastructure, private markets, real assets and sovereign investment portfolios.

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Why does the blue economy matter to investors?

The ocean is not simply an environmental asset. It forms part of the infrastructure supporting the global economy.

It regulates the climate, supports biodiversity, provides food and livelihoods and enables global commerce.

The Ocean Framework estimates that ocean-related economic activity generates approximately $3–6 trillion annually. It also highlights the financial consequences of ocean degradation, including supply-chain disruption, stranded assets and increasing regulatory and reputational risks.  

For investors, this creates two interconnected questions:

  • Where are portfolios exposed to the deterioration of ocean ecosystems?
  • Where can capital participate in the transition towards a more sustainable blue economy?

Understanding both sides of this equation is becoming increasingly important for long-term investors.

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Where are the investment opportunities?

The transition towards a sustainable blue economy is also creating opportunities for institutional capital. These can include established assets as well as emerging investment structures.

Potential areas include:

  • offshore renewable energy
  • sustainable fisheries and aquaculture
  • ports and lower-carbon maritime infrastructure
  • coastal resilience and adaptation
  • marine ecosystem restoration
  • blue biotechnology
  • pollution and wastewater solutions
  • ocean monitoring and data technologies
  • blue bonds and other sustainable financing instruments
  • blue carbon and nature-based solutions.

The opportunity set spans multiple asset classes.

For investors, however, identifying an activity as "blue" is only the beginning. Investment structures, environmental integrity, additionality, measurement, governance and underlying ecosystem impacts all require due diligence.

Regulation and the blue economy

The policy environment surrounding the ocean is developing.

Ocean governance spans international agreements, regional frameworks, national regulation and sector-specific rules. This creates a complex landscape for investors with global portfolios.

Regulatory developments can affect areas including:

  • marine biodiversity
  • fisheries and aquaculture
  • shipping
  • pollution
  • offshore development
  • nature-related disclosure
  • protected marine areas
  • ocean resource use.

For investors, the task is increasingly to map portfolio exposure against relevant regulatory frameworks and understand the potential implications for assets, companies and disclosure.

The Blue Economy Library for Investors

This library brings together selected resources to help institutional investors understand ocean-related dependencies, identify portfolio exposure, assess risks and opportunities, conduct due diligence, allocate capital and engage with companies operating across the Blue Economy.

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Sustainable Blue Economy Investment Frameworks
Frameworks and guidance for assessing defence-related investments, developing policies and navigating changing expectations..

Guidance for Responsible Investment in Defence-related Companies (GRID)
Eurosif Discussion Paper: Sustainable investment and defence.
LBP AM Group’s Defence Industry Policy
02
Ocean Dependencies, Risks & Nature-Related Disclosure
Guidance for identifying and managing human rights and social risks in conflict-affected environments.

RIAA Investor Toolkit on Human Rights and Armed Conflict
Guiding Principles on Business and Human Rights : Implementing the United Nations "Protect, Respect and Remedy" Framework
Considering Social Risk Factors in Institutional Investment Portfolios, A Primer for UniversitiesSocial Risk (including Human Rights)
Heightened Human Rights Due Diligence for Business in Conflict-Affected Contexts: A GuideThe Saliency Materiality Nexus
03
Blue Economy Sectors & Investment Opportunities
Research and investor guidance on defence technology, dual-use applications, AI and autonomous weapons.

Investor Statement on Autonomous Weapons
Investor Alliance for Human Rights - Article AI in the Kill Chain: The Risk of AI-Enabled Warfare and What Investors Need to Know
SHIFT - Weapons, Dual Use tech and Financial Institutions
Reframe Venture resources: Dual Use focusing on VC Investments
Working Group on Defense Tech & Responsible Investment
04
Policy, Regulation & Market Intelligence
Reference material, regulatory analysis and specialist coverage of the changing defence investment landscape.A focused one-to-one conversation with a senior advisor to explore a challenge, validate your thinking, and identify practical next steps.

2026 Edition of the International Defence Companies Notebook
Defence section of Responsible Investor, a publication focused on ESG and sustainable finance.
Travers Smith - Sustainability and Security: Investing in Defence
05
Blue Finance Instruments & Capital Mobilisation
Original analysis and perspectives from GAA and its advisors on the evolving responsible defence investment landscape..

From Exclusion to Engagement: A Stewardship Lens on Europe’s Evolving Defence Investments - Anna-Stina Wiklund's article
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Guidance on blue bonds, loans, blended finance and other financial instruments designed to mobilise institutional and private capital towards sustainable ocean activities.

Explore More Resources →

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Investor Tools, Screening, Targets & Stewardship
Research and data-led analysis from Morningstar Sustainalytics on defence exposure, ESG and controversial weapons.

Controversial Weapons: Reassessing the Red Lines
Defense: Assessing New Investment Opportunities Through an ESG Lens
EU ESG Funds’ Exposure to Defense Continues to Increase
Investors do not need to become ocean experts. But they do need to understand where ocean-related risks and opportunities sit within their portfolios, ask better questions and know where deeper due diligence is required.
Kelly Christodoulou
Blue Economy Programme Lead at Global Advisory Alliance  

How we can support your investment approach

ADVISORY

Strategic Investor Advisory

Work directly with Kelly Christodoulou on investment strategy, portfolio considerations, governance and opportunities across the blue economy.

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Discuss your investment approach →

ENGAGEMENT

Join the Investor Engagement Initiative

We are exploring opportunities for institutional investors to engage with companies on material issues affecting the ocean economy.

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Register your interest  →

TRAINING

Blue Economy Investing Masterclass

A 3-hour live online masterclass designed to help investment teams understand the blue economy, assess investment opportunities and risks, and integrate ocean-related considerations into investment decisions and stewardship.

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Available from 24 November 2026  →