Are climate aid cuts the next global security risk? | Experts’ Opinions

DevelopmentAid: Are climate budgets becoming the first victims of geopolitical crises, and what does this reveal about shifting donor priorities in international development?

“Geopolitical crises are systematically depleting international climate budgets. The United Kingdom’s 14% reduction in climate finance to approximately £2 billion annually, coupled with the contraction of its Official Development Assistance to 0.3% of gross national income, serves as a primary indicator of this retrenchment. Driven by domestic fiscal pressures, high borrowing costs, and the need to finance defense amidst conflicts such as the war in Iran, these reductions signal a significant shift in donor priorities. Proactive, long-term environmental mechanisms, such as the UK’s scrapped £3 billion nature fund, are being abandoned in favor of immediate, transactional security and domestic economic stabilization. This paradigm shift reveals that traditional donors increasingly treat multilateral climate commitments as discretionary expenditure rather than fundamental pillars of global stability, heavily favoring militarized hard power over diplomatic soft power and systemic risk reduction.”

“Climate budgets are increasingly being compressed during geopolitical shocks, despite explicit commitments under the Paris Agreement to align financial flows with low-emission and climate-resilient development pathways (Article 2.1c). Recent donor adjustments suggest that climate finance remains being treated as discretionary, even as COP decisions – including the Glasgow Climate Pact – called for scaling up adaptation finance and meeting the US$100 billion annual target. Empirical trends show that climate finance flows are more volatile than security or humanitarian expenditure, indicating their susceptibility to political reprioritization. This reflects a broader shift toward securitized and domestically driven spending. The implication is a growing misalignment between political commitments and fiscal behavior, undermining trust and predictability – both of which are central to the COP framework. For sustainable development, this volatility delays investments in resilience and increases long-term costs, contradicting the COP28 emphasis under the UAE Consensus on accelerating climate action within this critical decade.”

“Climate budgets are increasingly among the first to be reduced during geopolitical or fiscal pressures, largely because their impacts are perceived to be longer-term and less immediately visible than humanitarian or security expenditure. This reflects a broader shift in donor priorities toward short-term stabilization, domestic political pressures, and crisis response. However, this reallocation often overlooks the systemic role climate change plays as a threat multiplier – intensifying fragility, displacement, and resource conflict. The deprioritization of climate finance suggests a persistent gap between policy commitments and operational decision-making, where resilience is still not fully integrated into core development and security agendas. Ultimately, this signals a need to reposition climate investment not as a standalone sector, but as foundational to economic stability, risk reduction, and long-term geopolitical security.”

“The UK’s decision provides a stark case study. The current Labour government inherited the £11.6bn climate finance goal in 2024 during a period of geopolitical instability, then announced it would cut overall aid spending to 0.3% of gross national income — down from the historic 0.7% — to raise money for military spending. This trade-off reveals a troubling hierarchy: defense and security spending now openly competes with and displaces long-term climate commitments. The UK government has confirmed it is reforming how it allocates international aid, with 70% of international support to be allocated to conflict-affected states by 2028/29. This shift reflects a broader donor trend where short-term geopolitical pressures override long-term multilateral obligations. Climate budgets, lacking the political urgency of active conflicts, consistently lose these internal battles. The danger is that this becomes self-reinforcing — as climate instability fuels more fragility and conflict, donors divert even more funding toward crisis response, leaving prevention chronically underfunded and perpetuating the very instability they are trying to manage.”

“The core issue underlying climate challenges is population growth. Atmospheric pollution, waste generation, and deforestation increase in direct proportion to population expansion. Therefore, the most practical antidote to these environmental pressures is implementing effective population growth controls.”

“The UK’s recent decision to reduce climate finance to developing countries by 14% has reignited debate across the development community. Much of the discussion frames this as a threat to global climate progress, potentially increasing fragility, migration, and conflict risks. However, based on direct experience of delivering green transformation projects in developing and transition economies, the core constraint is often not the absolute volume of funding. It is structural. In many countries, the most significant obstacle to energy transition is not insufficient donor financing, but persistently distorted price indicators, particularly artificially low energy tariffs. When electricity, heat, or fuel tariffs are kept below cost-recovery levels for political reasons, several systemic effects emerge:

• Investments in energy efficiency become economically unattractive
• Renewable energy struggles to compete without heavy subsidies
• Utilities accumulate deficits, limiting reinvestment capacity
• Consumers lack incentives to change behavior

In such environments, even well-funded climate programs deliver limited and often unsustainable impact. In contrast, the most successful transformation cases have been observed when governments took politically difficult decisions to gradually align tariffs with economic realities while simultaneously introducing targeted social protection and incentives for energy efficiency. This combination creates a self-reinforcing system:

• Price indicators drive behavioral change
• Efficiency investments become viable
• Private capital participation increases
• Public funding achieves higher leverage.

“Climate budgets are the early casualties of geopolitical crises, as donors shift funding toward defense and domestic priorities. This reveals that donors’ priorities in international development are increasingly focused on immediate security and national interests at the expense of sustained climate and development efforts.”

“Budget cuts to climate finance signal a shift whereby long-term environmental stability is being sacrificed for immediate geopolitical and domestic priorities, such as defense and fiscal consolidation. This “refocusing” reveals that climate aid is often treated as a discretionary fund rather than a strategic necessity, eroding trust between donor nations and the Global South.”

DevelopmentAid: Could climate aid cuts in the present translate into significantly higher humanitarian, migration, and conflict-prevention costs in the future?

“The current reductions in climate adaptation aid are mathematically guaranteed to precipitate exponentially higher future costs across humanitarian, migratory, and security domains. Empirical evidence demonstrates a severe cost-efficiency gap: every US$1 invested in anticipatory risk reduction saves up to US$15 in post-disaster recovery. Currently, 17 conflict-affected, climate-vulnerable countries generate 70% of global humanitarian needs yet receive a mere 12% of total adaptation finance. By defunding proactive initiatives, which constitute less than 1% of current humanitarian funding, donors force a reliance on vastly more expensive, reactive emergency responses. As unmitigated climate shocks compound, agricultural collapse and extreme weather directly act as threat multipliers, escalating forced transnational migration and prolonging violent resource conflicts. Consequently, short-term fiscal savings catalyze unmanageable, permanent security liabilities and irreversible macroeconomic scarring in fragile states.”

“Evidence strongly supports the conclusion that reductions in climate finance today will increase future humanitarian and security expenditures. Adaptation investments – prioritized in successive COP decisions – are among the most cost-effective development interventions, with benefit-cost ratios often exceeding 2:1 to 10:1. The Glasgow Climate Pact explicitly urged developed countries to double adaptation finance, recognizing its role in reducing vulnerability and preventing crises. When such investments are delayed or reduced, climate shocks intensify food insecurity, displacement, and resource competition – key drivers of fragility. Empirical studies across climate-sensitive regions show strong links between environmental stressors and migration flows, as well as localized conflict risk. From a fiscal perspective, this represents a shift from preventive to reactive spending, where humanitarian response and peacekeeping costs far exceed adaptation investments. This trajectory is inconsistent with the UAE Consensus, which emphasizes resilience, loss and damage response, and the need to avert escalating systemic risks.”

“Yes, reductions in climate aid today are highly likely to generate significantly higher costs in the future. Climate adaptation investments such as resilient infrastructure, water systems, and climate-smart livelihoods are among the most cost-effective tools for preventing crises before they escalate. When these are underfunded, vulnerabilities deepen, leading to increased displacement, food insecurity, and competition for scarce resources. This, in turn, places greater pressure on humanitarian systems and heightens the risk of instability and conflict. Evidence consistently shows that every dollar invested in resilience can save multiple dollars in future response costs. Therefore, cutting climate finance is not a cost-saving measure, but rather a deferral of costs – often multiplied – for humanitarian, migration management, and peacekeeping expenditures. It is, fundamentally, a question of paying now or paying far more later.”

“The evidence strongly suggests, yes. The UK’s own security intelligence chief warned in a report that biodiversity collapse threatens UK national security by increasing food shortages, creating disorder, and sparking mass migration. Yet the cuts continue regardless. Gareth Redmond-King of the Energy and Climate Intelligence Unit described such cuts as an “act of self-harm”, noting that the UK imports two-fifths of its food from overseas, much of it grown in countries hit hardest by extreme heat and floods. When adaptation financing shrinks, vulnerable populations face deteriorating agricultural conditions, water scarcity, and displacement — conditions that historically drive migration and conflict. The humanitarian response costs associated with climate-driven crises — disaster relief, refugee support, peacekeeping — vastly exceed the upfront investment in resilience. Cutting £300m in adaptation finance today could generate billions in downstream humanitarian obligations, suggesting that the fiscal logic behind these cuts is dangerously short-sighted and ultimately counterproductive to the budget discipline donors claim to be pursuing.”

“Not necessarily, provided the focus of aid shifts to education, for example. Financial assistance should be channeled toward strengthening global education systems. By doing so, we can ensure a better understanding of the individual impact on natural resources, which is essential for long-term sustainability.”

“Against this backdrop, reductions in donor climate finance – while not insignificant – may not fundamentally alter the long-term trajectory of energy transition in many countries. If structural distortions remain unaddressed, additional funding will continue to face diminishing returns. Conversely, even under tighter financing conditions, countries that implement cost-reflective tariff reforms, targeted efficiency incentives, and strong public awareness programs can sustain meaningful progress. The issue, therefore, is not only “how much money” is available but “how effectively systems are designed to use it.”

“Yes – cutting climate aid now leads to higher costs later, as reduced adaptation funding drives more severe disasters, displacement, and instability that demand far more expensive humanitarian and security responses.”

“These short-term savings are likely to trigger significantly higher future costs; by widening adaptation gaps, donors are inadvertently fueling the “threat multipliers” of resource scarcity and economic instability. This leads to increased migration pressures and a higher risk of conflict, ultimately requiring far more expensive humanitarian and security interventions than the original amount of aid.”

DevelopmentAid: How should climate-vulnerable countries rethink adaptation and resilience financing when traditional donor commitments become less predictable and increasingly politicized?

“Climate-vulnerable nations must transition from dependence on unpredictable, highly politicized bilateral grants to diversified, systemic macroeconomic instruments. This necessitates utilizing mechanisms such as blended finance, resilience bonds, and guarantees to mobilize institutional private capital on a large scale. Sovereign debt restructuring, particularly debt-for-climate and debt-for-nature swaps, as successfully implemented by Barbados and Ecuador, is crucial to immediately unlock domestic fiscal space for adaptation. Additionally, developing nations should prioritize pooled, programmatic finance over isolated projects to distribute risk and attract investment. By strengthening South-South cooperation, capitalizing on decentralized funds such as the regionalized Green Climate Fund facilities, and integrating local community expertise into investment design, vulnerable states can circumvent traditional Northern conditionalities and reframe adaptation as a high-yield macroeconomic investment.”

“In line with COP frameworks, climate-vulnerable countries must transition toward more resilient and diversified financing strategies that are anchored in national systems. The Paris Agreement underscores the importance of aligning finance with national climate strategies, including Nationally Determined Contributions and National Adaptation Plans. Countries should strengthen climate-responsive public financial management, integrating adaptation into national budgets and medium-term expenditure frameworks. At the same time, scaling innovative instruments such as green and resilience bonds, blended finance, and climate risk insurance can help to bridge financing gaps, consistent with COP calls to mobilize both public and private capital. The operationalization of the Loss and Damage Fund under the UAE Consensus also presents new opportunities, although access will depend on institutional readiness. Empirical evidence shows that countries with stronger governance and project preparation capacity are better positioned to attract and absorb climate finance. Ultimately, embedding climate finance within broader sustainable development planning will be essential to ensure coherence, scale, and long-term resilience.”

“Climate-vulnerable countries will need to adopt more diversified and internally anchored financing strategies. This includes strengthening domestic resource mobilization, leveraging public-private partnerships, and integrating climate resilience into national budgeting and sector planning rather than treating it as a donor-dependent add-on. There is also a growing need to access alternative financing mechanisms such as climate funds, blended finance, and parametric insurance schemes. Equally important is investing in data, planning capacity, and governance systems that can make resilience investments more attractive to a broader range of financiers. At the same time, regional cooperation and pooled risk mechanisms can help to reduce exposure and increase bargaining power. Ultimately, resilience financing must evolve from being a project-based, externally driven model to a systemic, nationally owned approach that is embedded in long-term development pathways.”

“Climate-vulnerable nations must urgently reduce dependence on the unpredictability of bilateral donor commitments. Diversification is essential. This means more actively engaging multilateral funds, South-South climate partnerships, and emerging donors such as China. With China potentially offering forms of climate finance to poorer nations, the longer-term risk for traditional donors like the UK is to their relative power and influence globally. Domestically, vulnerable countries should prioritise building enabling environments for private climate investment through green bonds, blended finance instruments, and risk-guarantee mechanisms that can crowd in private capital. Institutionally, they should strengthen national adaptation planning frameworks so that financing needs are well-defined, investment-ready, and less dependent on any single donor’s political cycle. Regional risk-pooling mechanisms — such as the African Risk Capacity — offer another buffer. Ultimately, the politicization of donor climate aid is a structural signal: climate-vulnerable countries need resilience not just in their ecosystems, but in their financing architectures.”

“Financial aid should primarily target the elimination of plastic waste, which remains one of the greatest threats to our environment. Additionally, there must be a stronger emphasis on implementing a circular economy to ensure that waste management becomes a priority to all of us.”

“Low levels of energy literacy often undermine even well-designed programs. Households may not understand consumption patterns, efficiency measures, or long-term cost savings. From practical experience, one of the most effective channels for driving behavioral change has been education particularly through youth and school-based programs. Children and students act as knowledge multipliers: they transfer awareness into households, they influence consumption habits at the family level, they accelerate generational shifts in mindset. This bottom-up dynamic often proves more durable than top-down policy interventions alone. Rather than focusing primarily on increasing funding volumes, there is a strong case for rethinking how climate finance is structured and deployed. Key priorities should include:

• linking financial support to tariff reform and regulatory improvements
• prioritizing programs that unlock behavioral change and demand-side efficiency
• investing in education and awareness as core components, not add-ons
• designing mechanisms that crowd in private capital rather than substitute for it

In this model, climate finance acts less as a continuous subsidy and more as a catalyst for systemic change. The current debate risks oversimplifying the problem by equating reduced funding with reduced impact. In reality, the effectiveness of climate action in developing economies depends far more on governance, pricing structures, and societal engagement than on funding levels alone. This does not diminish the importance of climate finance, but it reframes its role. The priority now is not only to protect climate budgets, but to ensure that every dollar deployed addresses the real bottlenecks of transition. Because without structural reform, more funding will not solve the problem. And with the right reforms, even less funding can go much further.”

“Climate-vulnerable countries should reduce reliance on unpredictable donors by integrating adaptation into national budgets, diversifying funding sources, leveraging innovative financing tools, and mobilizing private capital, making resilience a core element of economic stability.”

“To counter this increasing unpredictability, climate-vulnerable countries must pivot toward financial autonomy by utilizing performance-linked bonds, sovereign insurance, and “de-risking” mechanisms to attract private investment. Moving beyond a reliance on traditional bilateral grants is no longer just an option; it is a survival strategy in a landscape where international development has become increasingly politicized and volatile.”

See also: How can those most affected by climate change shape the decisions to fight it? | Experts’ Opinions

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