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Green bonds see record issuance amid ESG mandates

Green bonds see record issuance amid ESG mandates

06/14/2025
Matheus Moraes
Green bonds see record issuance amid ESG mandates

Global green bond issuance set a new benchmark in 2024, reflecting the financial world’s pivot toward sustainability and climate action.

The rise of green bonds in 2024

In 2024, green bond issuance soared to record $447 billion issuance, a 17% jump from 2023 and matching the 2021 peak for the Green, Social and Sustainability universe. This surge underlines a broader commitment to channel capital into projects that curb carbon emissions and foster a low-carbon economy.

Green bonds also outperformed conventional bonds by close to 2% outperformance in 2024, marking six out of eight years of superior returns. Investors are increasingly recognizing the dual benefit of sustainable finance: long-term impact and competitive yields.

Market segmentation and geographic trends

The green bond landscape in 2024 was diversified across sectors, regions, and issuer types. Financials, utilities, and industrial companies collectively accounted for 52% of issuance, equally split among them. Other notable sectors included automotive (7%) and real estate (6.5%), indicating a rebound in property development financed by green debt.

  • Financials, utilities & industrials: 52%
  • Automotive sector: 7%
  • Real estate: 6.5%
  • Sovereigns: 28%

Euro-denominated bonds led issuance at 60%, while Emerging Markets’ share fell to 6.5% from over 10% the previous year. US issuers slipped to 8.5%, roughly half their historical share. Sovereigns, government agencies, municipals, and supranationals represented 42% of green bond volume, with corporates rising to 32% and financials declining to 22%.

  • Sovereigns & agencies: 42%
  • Corporates: 32% (up from 25%)
  • Financial institutions: 22% (down from 30%)

Key figures at a glance

The sustainable bond market achieved another trillion-dollar milestone, underscoring consistent growth and maturity.

Drivers behind the surge

Several forces have propelled green bond growth. Institutional investors, under institutional investor ESG mandates, are directing capital toward decarbonization finance. Regulatory frameworks and guidelines such as the Green Bond Principles (GBP) ensure proceeds are transparently allocated and impact is reported.

Falling interest rates in Europe and the ripple effect in the US have provided a financing tailwind, while the US Inflation Reduction Act has unlocked new funding for clean energy. Together, these trends are creating an environment where climate-friendly projects can thrive.

  • ESG mandates driving demand
  • Robust frameworks and standards
  • Policy incentives and lower rates

Challenges and risk management

Despite robust growth, green bonds face challenges. The lack of a universal green definition and evolving regulations heighten greenwashing risk. Investors must scrutinize frameworks to ensure proceeds fund legitimate climate solutions.

Emerging Markets’ issuance has declined, and fragmentation across jurisdictions complicates long-term planning. Issuers need to navigate a patchwork of standards while maintaining credibility.

Investor best practices

For those seeking to tap into green bonds, several practical steps can improve outcomes and mitigate risks. Conducting external verifications and due diligence on issuers ensures alignment with stated environmental goals.

Prioritize bonds with full disclosure and independent verification. Review impact reports, third-party assessments, and assurance statements. Diversify across geographies and sectors to balance risk and seize emerging opportunities.

  • Evaluate issuer transparency and reporting
  • Seek certified bonds aligned with GBP or similar guidelines
  • Diversify by region and sector

Outlook and future opportunities

Looking ahead, Moody’s forecasts green bond issuance at $620 billion for 2025, with total sustainable bond volumes staying near $1 trillion for a fifth year. Growth is expected to be led by North American corporate issuers, while sovereigns in the EU and Australia will continue to set the pace.

Beyond green bonds, social, sustainability, and sustainability-linked bonds are gaining traction. These instruments broaden the impact horizon to include social equity, healthcare, and educational initiatives.

As the sustainable finance market matures, investors and issuers alike will benefit from enhanced standards and growing transparency. Those who embrace rigorous evaluation and align with high-quality frameworks will be best positioned to drive both returns and real-world impact.

Conclusion

The record issuance of green bonds in 2024 reflects a decisive shift toward sustainable finance underpinned by robust ESG mandates and supportive policy. While challenges like greenwashing and market fragmentation remain, clear frameworks and vigilant investors can ensure integrity.

With $1 trillion in sustainable bonds becoming the new normal, the path forward is bright. By adopting best practices, staying informed of evolving standards, and supporting projects with measurable impact, the financial community can help steer the global economy toward a greener, more resilient future.

Matheus Moraes

About the Author: Matheus Moraes

Matheus Moraes