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Meeting the scale of climate investment required demands a fundamental shift in both the volume and distribution of global finance. Estimates place total annual investment requirements at $6.3 to 6.7 trillion by 2030 to deliver on Paris Agreement commitments. Yet actual flows tracked in 2023 reached only $1.9 trillion, less than 30 percent of what is needed^[iii]. Of that, approximately $1.56 trillion went to developed economies and China, while only $332 billion reached the rest of the developing world. For the first time, private finance exceeded public finance globally, surpassing $1 trillion in absolute volume. But this obscures a structural imbalance. In 2023, 80 percent of all climate finance was mobilized domestically, concentrated in East Asia, North America, and Western Europe, with advanced economies alone  accounting for the majority of private investment flows^[iv].

Within this, the mitigation–adaptation gap warrants particular attention. In 2023, mitigation finance, which is financing aimed at reducing greenhouse gas emissions reached $1.78 trillion, while adaptation finance, defined as investments to build resilience against the impacts of climate change stood at just $65 billion, 3.5 percent of the total. Analysis of Climate Action 100+, the world's largest investor coalition, confirms that investor engagement remains heavily skewed toward mitigation^[v].  At the same time, there is also a significant gap between developed countries, and low income and emerging market economies.  While domestic mobilization accounts for the vast majority of climate finance globally, this capital is overwhelmingly concentrated in high-income regions. This leaves vulnerable EMDEs heavily reliant on external public flows, which remain severely constrained. Yet these are the very countries that shoulder a disproportionate share of the global investment burden. EMDEs excluding China are projected to require $2.3–2.5 trillion of the estimated $6.3–6.7 trillion in annual climate investment needed by 2030, which amounts to nearly 40 percent of the global total to meet their Nationally Determined Contributions (NDC) obligations^[vi] and build infrastructure resilience. Without unlocking private international capital at scale, this gap cannot be closed. Private participation in infrastructure (PPI) in Sub-Saharan Africa and the Middle East & North Africa stood at just 0.17 percent of GDP in 2023 — among the lowest of any developing region globally, compared to 0.24 percent in East Asia & Pacific and 0.30 percent in Latin America & Caribbean^[vii]. This persistent underinvestment signals significant untapped potential to mobilize private capital for climate and disaster resilient infrastructure in the regions that need it most.

This misalignment has severe consequences. Currently, 52–60 percent of low-income countries (LICs) are at high risk of debt distress or already in distress^[viii]. Lacking adequate private investment, and in the face of climate-driven disasters, these nations are forced to borrow more just to rebuild — creating a vicious cycle where debt servicing consumes the very funds needed for resilience. This is particularly acute in LICs, where the cost of capital is often prohibitive and the core challenge is building new infrastructure to meet large unmet development needs (‘greenfield’), in contrast to High-Income Countries focused on retrofitting existing stock (‘brownfield’). Measurable resilience metrics are equally essential since unlike mitigation, where greenhouse gas (GHG) reductions can be quantified and intermediated through carbon markets, adaptation and resilience investments currently lack an equivalent standardised measure. Developing a credible resilience label — an area where CDRI is actively engaged — would enable these investments to be priced, rated, and scaled through capital markets. Beyond institutional investors, non-traditional pools such as family offices and CSR-aligned corporate capital represent significant untapped potential.

The debt dynamics reflect deeper structural barriers that impede private capital mobilization. Regulatory and infrastructure governance frameworks often fail to enable stable, long-term returns. This challenge is particularly pronounced in EMDEs compared to developed economies, where uncertainty in risk-sharing mechanisms, forex fluctuations, and lack of enabling environments compound existing vulnerabilities^[ix]. Forex fluctuations present a major barrier. Projects generate revenue in local currency but are financed in global currency (USD/ EUR). When climate disasters strike, they often trigger economic instability, causing local currency devaluation. This creates a catastrophic imbalance - physical assets are damaged while debt servicing costs simultaneously skyrocket^[x].

These investor-side barriers are compounded by critical capacity gaps within governments themselves. A survey of Ministries of Finance (MoFs) in LICs and EMDEs revealed that while 89 percent recognize climate change as a core economic issue, only 35 percent have integrated climate considerations into budget projections^[xi]. The gap undermines bankability of projects, as without climate-informed planning the public sector struggles to structure projects that meet investor requirements for long-term viability and resilience.​ Risk advisories become foundational here, providing systematic resilience assessments that verify a project's long-term viability. Addressing these interconnected barriers requires coordinated actions across multiple fronts. Furthermore, regulatory frameworks like Basel IV can serve as powerful levers, incorporating climate-related financial risks into banking capital requirements through mandatory capital adjustments. Additionally, capital markets can offer a critical pathway to scale adaptation finance through green bonds, blended finance, and resilience-linked securities that attract institutional investors by properly pricing climate risk.

Equally vital is the role of insurance, which must evolve from a post-disaster payout mechanism into a proactive tool that incentivizes risk reduction. The industry is critical for building resilience, offering financial protection through parametric insurance, catastrophe bonds, and risk pooling^[xii]. These mechanisms translate resilience investments into measurable risk reductions that directly lower insurance premiums, creating financial incentives for adaptation ^[xiii].  This is also in line with the thinking being promoted by CDRI’s layered financing strategy which advocates for comprehensive fiscal protection across the entire disaster cycle. No single financial instrument can cover all risks alone. Mobilizing private sector capital at scale thus requires holistically addressing regulatory frameworks, capital market innovations, and insurance incentives to establish the stable, long-term policy environment necessary for climate-resilient infrastructure.

Financial innovations and instruments that address the critical intersection of physical climate risks and financial shocks are foundational. To achieve this, we must lead coordinated action that explicitly targets the mobilization of private capital. Our focus must shift to building institutional capital and engineering de-risked investment pathways, effectively transforming resilience from a theoretical concept into a bankable asset class that drives deep private sector engagement. 

^[i] https://cdri.world/upload/biennial/CDRI_Global_Infrastructure_Resilience_Report.pdf

^[ii] https://coordinadoraongd.org/wp-content/uploads/2025/03/FFD4-Outcome-First-Draft.pdf

^[iii] https://www.lse.ac.uk/granthaminstitute/wp-content/uploads/2024/11/Raising-ambition-and-accelerating-delivery-of-climate-finance_Third-IHLEG-report.pdf

^[iv] https://www.climatepolicyinitiative.org/wp-content/uploads/2000/06/compressed_Global-Landscape-of-Climate-Finance-2025.pdf

^[v] https://www.climateaction100.org/wp-content/uploads/2025/02/CA-100-Progress-Update-2024-PDF.pdf

^[vi] https://www.lse.ac.uk/granthaminstitute/wp-content/uploads/2024/11/Raising-ambition-and-accelerating-delivery-of-climate-finance_Third-IHLEG-report.pdf 

^[vii] https://ppi.worldbank.org/content/dam/PPI/documents/PPI-2023-Annual-Report-Final.pdf

^[viii] https://www.worldbank.org/en/publication/debt-management-monitor

^[ix] https://www.oecd.org/en/publications/supporting-emerging-markets-and-developing-economies-in-developing-their-local-capital-markets_4456de62-en/full-report.html

^[x] https://www.elibrary.imf.org/view/journals/001/2024/186/article-A001-en.xml

^[xi] https://www.lse.ac.uk/granthaminstitute/news/most-finance-ministries-concerned-about-climate-change-but-face-barriers-to-including-it-in-economic-analyses-and-decisions/

^[xii] https://blogs.adb.org/blog/five-steps-insure-safe-future-climate-vulnerable-communities 

^[xiii] https://www.climatefinancelab.org/wp-content/uploads/2023/01/CILRIF-report.pdf 

By:

Avinash Venkata Adavikolanu, Specialist-Knowledge Management, CDRI

This blog is the second in the series on Mobilizing Private Sector Actions for Disaster Resilient Infrastructure (DRI).