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The Climate Bonds Initiative's Q1 2026 report details the state of the global aligned GSS+ (Green, Social, Sustainability, and Sustainability-linked) debt market. As of March 2026, the cumulative aligned volume reached USD 6,986.0 billion, with green-labelled debt remaining the dominant theme. While the overall market saw a 9% decline in supply compared to Q1 2025 on a like-for-like basis, specific regions like France and Germany showed strong activity in social and green bonds, respectively.

The Climate Bonds Initiative's 2025 report details the state of the global aligned GSS+ (green, social, sustainability, and sustainability-linked) debt market, which reached a cumulative volume of USD 6.8 trillion by the end of 2025. The report highlights the continued dominance of green bonds, the growth of sustainability-labelled debt, and the emergence of adaptation and resilience (A&R) finance as a significant new frontier, exemplified by the launch of the Climate Bonds Resilience Taxonomy (CBRT).

The 'China Sustainable Debt Market Report 2024' provides a comprehensive analysis of China's Green, Social, Sustainability, and Sustainability-Linked (GSS+) bond market. As of the end of 2024, China's cumulative issuance of CBI-defined GSS+ bonds exceeded $500 billion, making it the world's third-largest issuer. While green bonds remain dominant, the report notes a decline in financial institution issuance in 2024, offset by growth in non-financial sectors. The report highlights the rapid growth of social and sustainability bonds, the challenges facing the sustainability-linked bond (SLB) market regarding transparency and ambition, and the specific opportunities for GSS+ financing in the Guangdong-Hong Kong-Macao Greater Bay Area.

This guide by the Climate Bonds Initiative provides a strategic framework for corporates, investors, and policymakers in Vietnam to implement transition finance in hard-to-abate sectors, specifically steel, cement, and basic chemicals. It outlines a methodology for developing science-based transition plans aligned with the Paris Agreement, featuring a 'Five Hallmarks' approach to ensure targets are credible, actionable, and transparent. The document also provides sector-specific decarbonisation levers, emissions intensity thresholds, and a five-tier maturity scale for financial institutions to assess corporate transition progress.

The "Sổ tay hướng dẫn tài chính chuyển đổi cho các lĩnh vực khó giảm phát thải khí nhà kính tại Việt Nam" is a strategic guide published by the Climate Bonds Initiative (CBI) in April 2025. It provides a comprehensive framework for businesses, investors, and policymakers in Vietnam to implement credible, science-based transition plans for high-emission sectors, specifically steel, cement, and basic chemicals. The guide details a five-step 'hallmark' process for transition planning, establishes sector-specific decarbonization criteria aligned with the Paris Agreement, and offers a classification system for financial institutions to assess the maturity and ambition of corporate transition efforts.

The Climate Bonds Initiative fact sheet identifies five key drivers expected to increase the flow of green, social, sustainability, and sustainability-linked bonds and loans (GSS+) in 2025, while providing provisional market volume data for 2024.

The 'Sustainable Debt Global State of the Market H1 2025' report by the Climate Bonds Initiative provides a comprehensive analysis of aligned green, social, sustainability, and sustainability-linked (GSS+) debt. As of the end of H1 2025, the cumulative aligned volume reached USD 6.2 trillion, with H1 2025 alone contributing USD 555.8 billion. The report details the dominance of green bonds, the resurgence of social debt, the stability of sustainability-labelled debt, and the specific alignment trends of sustainability-linked bonds (SLBs). It also highlights the introduction of the European Green Bond Standard, the rise of data-centre focused asset-backed securities, and the strategic priorities for COP30, including methane abatement and the Tropical Forest Forever Fund.

The 'Guidelines for the issuance of thematic labelled financial instruments' is a guide developed by the Climate Bonds Initiative and Latinex, with support from IDB Invest. It provides a comprehensive framework for issuers in Panama and the wider Latin American and Caribbean (LAC) region to issue Green, Social, Sustainable, and Sustainability-linked (GSS+) financial instruments. The document outlines the criteria for various labels, the necessary components for issuance—such as the use of proceeds and external reviews—and the reporting requirements to ensure market integrity and avoid greenwashing. It also details the role of Panama's Sustainable Finance Taxonomy and international standards like the ICMA Principles and the Climate Bonds Standard in guiding sustainable investment.

This report, co-authored by the Climate Bonds Initiative (CBI) and Peking University's Institute of Energy, examines the role of transition plans in scaling credible transition finance for the power sector, with a specific focus on the Chinese market and the use of Sustainability-Linked Bonds (SLBs).

This report, produced by the Climate Bonds Initiative and Peking University, examines the role of transition finance in decarbonising China's power sector. It emphasizes the necessity of credible, science-based transition plans to attract capital and avoid greenwashing, while analyzing the use of sustainability-linked bonds (SLBs) and use-of-proceeds (UoP) instruments. The document provides a framework for electrical utilities to develop transition roadmaps and includes case studies of Vattenfall, Enel, and China Huaneng Group to illustrate varying levels of alignment with global standards.

This input paper for the G20 Sustainable Finance Working Group, prepared by the India Initiative on Climate Risks and Sustainable Finance (led by Climate Bonds Initiative), examines the role of policymakers in mobilising private finance for the decarbonisation of the steel and cement sectors. It emphasizes the critical nature of the current decade for transition, particularly in emerging markets, and argues that credible corporate transition plans are essential for unlocking private capital through instruments like sustainability-linked bonds (SLBs). The report also highlights a significant gap in the integration of 'just transition' principles within corporate planning.

The Hong Kong Green Market Briefing 2023, published by the Climate Bonds Initiative, provides a comprehensive analysis of the sustainable debt market in Hong Kong as of December 31, 2023. The report highlights a significant surge in aligned GSS+ debt originating from the HKSAR, driven primarily by government green bond issuance, and examines the role of the Hong Kong Stock Exchange (HKEX) and the Common Ground Taxonomy (CGT) in connecting Chinese and international capital.

This report by the Climate Bonds Initiative analyzes the sustainability-linked bond (SLB) market up to November 2023, identifying a high prevalence of low-quality deals characterized by a lack of ambition, poor disclosure, and weak underlying transition plans. The report provides a quantitative profile of the market, assesses KPI performance and transition plan quality among top issuers, and offers a best-practice checklist to improve market credibility and scale.

The Climate Bonds Standard Version 4.1 is a voluntary labelling scheme developed by the Climate Bonds Initiative to certify debt instruments, assets, and non-financial legal entities that align with the Paris Climate Agreement. It provides a science-based framework for certifying Use of Proceeds (UoP) instruments, specific physical assets, non-financial entities, and Sustainability-Linked Debt (SLD), ensuring they meet rigorous climate mitigation and transition criteria.

This guide, prepared by the Climate Bonds Initiative, the European Bank for Reconstruction and Development, and the Green Climate Fund, provides a step-by-step framework for corporate issuers to finance their climate transition using thematic bonds. It details the process of creating a credible transition plan, selecting appropriate debt labels—such as green, sustainability, or sustainability-linked bonds—and establishing a sustainable financing framework to ensure alignment with the Paris Agreement goals.

This briefing paper by the Climate Bonds Initiative analyzes the state of sustainable finance in Brazil's agricultural sector as of June 2023. It details the growth of the Green, Social, Sustainability, and Transition (GSS+) debt market, the specific use of proceeds for forestry, agriculture, livestock, and bioenergy, and the role of national policies and international regulations in driving decarbonization.

The Sustainability-Linked Bond Database Methodology, published by the Climate Bonds Initiative in June 2023, outlines the criteria and screening processes for including sustainability-linked bonds (SLBs) in its database. The methodology focuses on decarbonisation, using a 'climate change mitigation overlay' to assess whether bonds are aligned with 1.5°C or below 2°C sectoral pathways. It defines specific requirements for instrument eligibility, public disclosure, and the calibration of Sustainability Performance Targets (SPTs), categorising bonds as Fully-aligned, Strongly-aligned, Aligning, or not-aligned based on their adherence to science-based pathways and transition plans.

This document outlines the methodology used by the Climate Bonds Initiative (CBI) to collect, screen, and maintain its Sustainability Linked Bonds (SLB) database. The methodology focuses on the 'decarbonization' attributes of debt instruments, evaluating whether their sustainability performance targets (SPTs) align with a 1.5°C warming scenario or the best available alternative paths.

The 'China Sustainable Bond Market Report 2022', published by the Climate Bonds Initiative (CBI) in collaboration with the China Central Depository & Clearing Co., Ltd. (CCDC) and Industrial Securities Research, analyzes the development of China's green, social, sustainability, sustainability-linked (SLB), and transition bond markets (GSS+) through the end of 2022.

The ASEAN Sustainable Finance State of the Market 2022 report by the Climate Bonds Initiative analyzes the green, social, sustainability, and sustainability-linked debt markets in the ASEAN region. It details a market contraction in 2022 due to global economic headwinds, while highlighting the leadership of Singapore and the increasing role of sovereign issuers in the region.