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Open research questions in Sustainable Finance and Green Bonds

124 unresolved questions extracted from the limitations and future-work sections of 691 Sustainable Finance and Green Bonds papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • The paper identifies the challenge of skepticism regarding the ability of sustainable financial instruments to generate substantive environmental outcomes. It also highlights the challenge of limited assessment of the real impact of these instruments due to narrow indicators.

    Does Credibility Matter? The Role of Green Bond Certification in Supporting EU Taxonomy‐Aligned Investments · 2026 · DOI

  • Systematic, future-focused evidence generation to inform healthcare decisions - Research on sustainable kidney care solutions is needed, especially in LMICs

    Nature Portfolio Commissions: data-driven solutions to global problems · 2026 · DOI

  • The paper identifies a gap in the translation of evidence into policy, particularly in low- and middle-income countries. It highlights the need for sustainable kidney care solutions and the importance of evidence-based research in informing healthcare policies.

    Nature Portfolio Commissions: data-driven solutions to global problems · 2026 · DOI

  • Limitations include a small sample size and reliance on self-reported data, which future research should address.

    Sustainable investing among young generations: balancing ideals and financial realities · 2025 · DOI

  • Abstract Decentralized finance (DeFi) is rapidly transforming financial systems, yet its environmental, social, and economic sustainability implications remain underexplored.

    Decentralized finance and sustainability analysis of global research patterns and emerging themes · 2025 · DOI

  • Despite its significance, the realm of sustainable finance, especially in the context of mergers and acquisitions, remains relatively underexplored.

    Navigating the evolution: a comprehensive review of sustainable finance in mergers and acquisitions · 2025 · DOI

  • Further study on the optimization strategies to deepen the synergy between carbon trading and RWA technology - Exploration of the applications of RWA technology in other fields

    Exploring the Integration Research of Carbon Trading and RWA Technology · 2026 · DOI

  • processes; to strategic proposing facilitate compliant and efficient integration of carbon trading with RWA technology; and concluding with future outlooks. to and case studies analyze identify practical technical, evaluating systematically comprehensively and optimization strategies Research Methodology: The study employs four literature review is methodological approaches. First, conducted and domestic international studies on carbon trading, RWA (Real-Time technology, policy documents, and Asset Valuation) industry reports, foundations. establishing theoretical Second, are performed by examining implemented RWA projects for carbon assets globally to summarize key experiences challenges. Third, regulatory analysis integrates China's market environment and policy requirements to examine compliance pathways for technology integration. Finally, systems analysis treats carbon trading markets and RWA technology as an organic whole, legal, regulatory, and market factors to propose holistic solutions. II. Related Concepts and Theoretical Foundations 2.1 Definition of Core Concepts 2.1.1 Carbon Trading Carbon trading, or carbon emission rights trading, refers to a market-based emission reduction mechanism that treats greenhouse gas emission allowances such as carbon dioxide as tradable commodities within government- regulated market systems. The core framework operates on "cap-and-trade" principles: governments establish regional or industry-wide carbon emission ceilings and allocate emission allowances to enterprises. Companies with actual emissions below their quotas can sell surplus allowances for profit, while those exceeding quotas must purchase additional allowances through the market or face penalties.

    Exploring the Integration Research of Carbon Trading and RWA Technology · 2026 · DOI

  • Recurring deficiencies persist in data governance, reproducibility, and external validation. The study highlights the need for more standardised reporting protocols and open-data practices to enhance the reliability and scalability of AI applications in sustainable finance.

    Artificial Intelligence-Powered Green Finance and Environmental, Social and Governance Tracking in Emerging Markets: A Systematic Review · 2026 · DOI

  • The study identifies a gap in the literature on the application of AI in green finance and ESG reporting in emerging markets. The study highlights the need for more research on the barriers and drivers of AI-powered ESG reporting.

    Artificial Intelligence-Powered Green Finance and Environmental, Social and Governance Tracking in Emerging Markets: A Systematic Review · 2026 · DOI

  • Climate vulnerability in East Africa is growing internationally. The region is experiencing increased frequency of more severe droughts, variable precipitation events, and increased frequency of soil erosion. There is a need for integrating financial instruments, environmental processes, and spatial analytical tools.

    Geospatial and Environmental Science Perspectives on Green Finance in East Africa: Integrating Climate, Hydrological, and Policy Analysis · 2026 · DOI

  • The application of green finance in East Africa remains fragmented and insufficiently aligned with environmental system dynamics. Most green finance studies have not considered hydrology, water stress, or land-use change. There is a need for integrating financial instruments, environmental processes, and spatial analytical tools.

    Geospatial and Environmental Science Perspectives on Green Finance in East Africa: Integrating Climate, Hydrological, and Policy Analysis · 2026 · DOI

  • The lack of a unified objective yardstick for ESG rating systems is a significant challenge. The endogenous bias in econometric models is difficult to completely eradicate. Greenwashing is a significant challenge for ESG portfolios.

    ESG Integration and Long-Term Portfolio Performance: Evidence from International Markets · 2026 · DOI

  • To formulate the development strategy and integrate ESG into the long-term strategy of enterprise development.

    The Impact of ESG Rating on Enterprise Financing Cost -- Taking Longji Green Energy as an Example · 2026 · DOI

  • The impact of ESG rating on enterprise financing costs is not well understood. The relationship between ESG rating and financing cost is not clear.

    The Impact of ESG Rating on Enterprise Financing Cost -- Taking Longji Green Energy as an Example · 2026 · DOI

  • The sample size is limited to only 99 responses, restricting statistical power and generalizability of findings. Online distribution may have under-represented rural and semi-urban investors. Self-reported data may contain response bias, particularly on questions related to environmental and social values.

    Performance Evaluation of Mutual Funds with ESG (Environmental, Social, Governance) Considerations · 2026 · DOI

  • The study identifies a significant awareness gap, with only 50.5 percent of respondents aware of ESG principles. The study highlights the need to address significant structural challenges, such as unclear ESG ratings and limited availability of ESG funds.

    Performance Evaluation of Mutual Funds with ESG (Environmental, Social, Governance) Considerations · 2026 · DOI

  • The population size is unknown and difficult to determine accurately. The study uses a convenience sampling technique, which may not be representative of the entire population.

    Investor Perception Towards ESG Investing: A Behavioural Study · 2026 · DOI

  • There is a lack of understanding of investor perception towards ESG investing. There is a need to examine the demographic factors that influence ESG investing decisions.

    Investor Perception Towards ESG Investing: A Behavioural Study · 2026 · DOI

  • Climate change poses substantial threats to environmental sustainability, economic development, and social well-being. The increasing frequency and intensity of climate-related hazards have heightened the vulnerability of communities, infrastructure, and ecosystems worldwide. There is a need to address the adaptation financing gap and support resilience-building initiatives.

    Blended Finance for Climate Resilience: A Bibliometric Analysis · 2026 · DOI

  • Future research should examine the effectiveness of blended finance in supporting climate resilience and sustainable development. Future research should investigate the role of climate finance governance and sustainable transition financing in addressing the adaptation financing gap.

    Blended Finance for Climate Resilience: A Bibliometric Analysis · 2026 · DOI

  • Significant gaps are still present, particularly in financing climate adaptation, MSMEs, and smaller green projects. The market is still developing due to the lack of a single definition of green finance.

    Green Finance and Sustainable Development in India's BFSI Sector: Trends, Ethics, and the Future · 2026 · DOI

  • Further research is needed to address the challenges facing Sustainable Financial Investments. The development of standardized ESG metrics and a uniform global verification process is necessary. Improved data quality and collaboration among stakeholders are essential for SFI to support inclusive and sustainable economic growth.

    Sustainable Financial Investments: A Review on Evolution, Players, and Policy Perspectives Globally and in India · 2026 · DOI

  • The lack of standardized ESG metrics. The absence of a uniform global verification process for ESG credentials. Data quality remains a constraint, particularly in smaller businesses and emerging markets.

    Sustainable Financial Investments: A Review on Evolution, Players, and Policy Perspectives Globally and in India · 2026 · DOI

  • The study identifies the challenge of managing the enforcement gap in the CfD scheme. It highlights the need to balance the termination amount with financial resilience. The study also notes the challenge of preserving project bankability while strengthening recoverability.

    Termination amounts and the enforcement gap in the Contracts for Difference scheme: Insights from offshore wind project finance in the United Kingdom · 2026 · DOI

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124 open questions have been extracted from the limitations and future-work passages of 691 Sustainable Finance and Green Bonds papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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