{"id":70647,"date":"2026-02-25T10:00:17","date_gmt":"2026-02-25T09:00:17","guid":{"rendered":"https:\/\/www.i4ce.org\/publication\/adapter-france-quatre-degres-moyens-besoins-financements-climat\/"},"modified":"2026-02-27T09:22:39","modified_gmt":"2026-02-27T08:22:39","slug":"adapting-france-four-degrees-current-resources-additional-needs-funding-options-climate","status":"publish","type":"publication","link":"https:\/\/www.i4ce.org\/en\/publication\/adapting-france-four-degrees-current-resources-additional-needs-funding-options-climate\/","title":{"rendered":"Adapting France to +4\u00b0C: current resources, additional needs, and funding options"},"content":{"rendered":"<p><strong>This report, originally published in French in September 2025, is first a contribution to the public debate on adaptation\u00a0in France.\u00a0The methodologies applied, the data collection\u00a0process, as well as the analytical framework\u00a0proposed, may\u00a0inform broader discussions\u00a0in Europe,\u00a0as\u00a0the\u00a0preparations for an EU\u00a0integrated framework for European climate resilience\u202fand risk management\u202fare\u00a0well underway.\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-size: 24px;\">Adaptation momentum has grown significantly in recent years, but has been weakened in 2025\u00a0<\/span><\/h2>\n<p>Since 2020, resources devoted to adaptation have increased across all areas of public policy affected by climate change. The period 2020-2024, in particular, has\u00a0been a genuine turning point, both in understanding the issues at stake and in scaling up national resources. At this stage, there are no longer any significant blind spots, though funding levels and coverage are still limited in some areas.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p>As a result of this momentum,\u00a0<strong>\u20ac1.7 billion\u00a0<\/strong>has been explicitly dedicated to adaptation in 2025, through national budget allocations and resources mobilized by public operators, financial\u00a0institutions\u00a0and public service companies. These funds are\u00a0mainly created\u00a0or expanded to implement adaptation measures via the Water Agencies and various mechanisms such as the Green Fund, the Barnier Fund and the France 2030\u00a0calls\u00a0for projects. They also include resources\u00a0allocated\u00a0to research and innovation, as well as to adaptation initiatives supported through technical and coordination capabilities.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p>More broadly, all relevant public policies and investment programmes are increasingly integrating climate change considerations. This suggests that\u00a0<strong>tens of billions of euros\u00a0<\/strong>of expenditure, while not explicitly dedicated to adaptation, contribute significantly to it. These\u00a0include, in particular:\u00a0<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>investments in the transition with proven co-benefits for adaptation<\/strong>, such as infrastructure modernization, building energy renovation and forest\u00a0renewal;<\/li>\n<li><strong>policy measures that, by their very nature, help manage climate risks<\/strong>, such as flood prevention, civil\u00a0protection\u00a0and environmental health policies.\u00a0<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Although these co-benefits are increasingly sought, overheating during heatwaves in public buildings such as schools and transport hubs, as well as in homes \u2013 despite recent renovations \u2013 shows that adaptation is still not adequately integrated and vulnerabilities remain.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<div class=\"fond_bleu\"><\/p>\n<p>During budget debates, it is particularly important to monitor the tens of billions of euros in resources that contribute to adaptation (not only the billions explicitly dedicated to adaptation), since changes to these resources, generally decided on the basis of considerations other than adaptation itself, have a direct impact on the country\u2019s capacity to adapt.<\/p>\n<p><\/div>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-71810 size-full aligncenter\" src=\"https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Adapting-France-to-4\u00b0C-5_page-0001-e1772008997953.jpg\" alt=\"\" width=\"1040\" height=\"854\" srcset=\"https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Adapting-France-to-4\u00b0C-5_page-0001-e1772008997953.jpg 1040w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Adapting-France-to-4\u00b0C-5_page-0001-e1772008997953-300x246.jpg 300w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Adapting-France-to-4\u00b0C-5_page-0001-e1772008997953-1024x841.jpg 1024w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Adapting-France-to-4\u00b0C-5_page-0001-e1772008997953-768x631.jpg 768w\" sizes=\"auto, (max-width: 1040px) 100vw, 1040px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>The situation is more mixed when it comes to the human resources of public operators contributing to adaptation<\/strong>. To date, several key operators have been\u00a0identified\u00a0\u2013 including ADEME, CEREMA,\u00a0M\u00e9t\u00e9o-France\u00a0and the National Forestry Office (Office national des\u00a0for\u00eats, ONF) \u2013 that\u00a0are responsible for\u00a0coordinating, supporting, providing technical\u00a0expertise, and implementing adaptation measures. Monitoring their staffing levels provides\u00a0an indication\u00a0of their capacity to\u00a0maintain\u00a0and develop the new skills and functions\u00a0required\u00a0in the context of climate change. However, despite a slight increase in 2024, the long-term trend shows a significant decline since 2015, particularly for ONF (a reduction of 1,218 FTEs),\u00a0M\u00e9t\u00e9o-France (584 FTEs), the Water Agencies and the National Institute of Geographic and Forest Information (Institut\u00a0national de\u00a0l\u2019information\u00a0g\u00e9ographique\u00a0et\u00a0foresti\u00e8re, IGN) (198 FTEs each).\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><strong>While the period from 2020 to 2024 has seen genuine progress on this issue, more recent developments have cast significant doubt on the continuation of this momentum<\/strong>. Whether in budgets specifically dedicated to adaptation \u2013 such as the Green Fund and certain France 2030 measures \u2013 or more broadly in resources contributing to adaptation, 2025 marks the end of the upward trend\u00a0observed\u00a0in recent years.\u00a0Some budgets are already facing sharp cuts, particularly in the forestry and agriculture sectors.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-size: 24px;\">Until now, resources have mainly been used to catch up, with efforts largely focused on maintaining existing models<\/span><\/h2>\n<p><strong>Analysis of the resources currently\u00a0allocated\u00a0to adaptation shows that few have been deployed proactively<\/strong>. In most cases, a climate event acts as the trigger for budgetary decisions: heatwaves prompt a reassessment of resources for public health or energy production policies; fires do the same for civil protection. Funding is then released, initially with the aim of catching up with climate changes that have already occurred. However, this reactive spending is often accompanied by forward-looking work which, for now, has little influence on action plans and dedicated budgets.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Current adaptation efforts still focus largely on preserving existing agricultural, economic and tourism models<\/strong>. This is understandable \u2013 adaptation often aims to protect existing systems \u2013 yet it exposes a clear gap between rhetoric calling for transformation and the reality of adaptation policies.<\/p>\n<p>&nbsp;<\/p>\n<p>A foundation of essential requirements, regardless of the adaptation pathway chosen\u00a0<\/p>\n<p>In addition to the resources already mobilized, we have\u00a0identified\u00a0a set of further requirements corresponding to measures that must be taken whatever adaptation vision is\u00a0ultimately pursued. These include:\u00a0<\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li><b><span data-contrast=\"none\">Strengthen resources for support and technicalexpertise<\/span><\/b><span data-contrast=\"none\">. Effective preparation depends on access to the right\u00a0expertise\u00a0\u2013 vulnerability assessments, technical data \u2013 to inform decisions and to provide robust support, particularly for local actors and communities. Public\u00a0expertise\u00a0already exists within organizations such as\u00a0M\u00e9t\u00e9o-France, CEREMA, ADEME and ONF, built up over years of investment in research and experimentation. The challenge now is to go further and to make this\u00a0expertise\u00a0available to those who need it most:<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<div class=\"fond_bleu\"><\/p>\n<p><span data-contrast=\"none\">&#8211; Complete all studies\u00a0identified\u00a0in the PNACC-3 (the French 3<\/span><span data-contrast=\"none\">rd<\/span><span data-contrast=\"none\">\u00a0national adaptation plan).<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335557856&quot;:16114881}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">&#8211;\u00a0Consolidate\u00a0the steering and coordination of adaptation policy at the national level \u2013\u00a0<\/span><b><span data-contrast=\"none\">\u20ac6.4 million\/year<\/span><\/b><span data-contrast=\"none\">.<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335557856&quot;:16114881}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">&#8211; Strengthen public technical\u00a0expertise\u00a0\u2013<\/span><i><span data-contrast=\"none\">Mission adaptation\u00a0<\/span><\/i><span data-contrast=\"none\">\u2013\u00a0<\/span><b><span data-contrast=\"none\">\u20ac4 million\/year<\/span><\/b><span data-contrast=\"none\">.<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335557856&quot;:16114881}\">\u00a0<\/span><\/p>\n<p><\/div>\n<p>&nbsp;<\/p>\n<ol start=\"2\">\n<li><span data-contrast=\"none\"> \u202f<\/span><b><span data-contrast=\"none\">Make adaptation a systematic consideration in investment flows.<\/span><\/b><span data-contrast=\"none\">This means both stopping investment in infrastructure, buildings or facilities that are unsuitable for a changingclimate, and\u00a0leveraging planned investments to enhance the overall level of adaptation of the French economy, while reducing costs.<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<br \/>\n<\/span><\/li>\n<li><strong>\u202fImprove crisis response<\/strong>. Faced with climate impacts that can no longer beavoided, andgiven the low level of anticipation\u00a0observed\u00a0to date, it is essential to increase the resources dedicated to preventing and managing climate-related crises. Whatever choices future governments and local authorities make, France will have to cope with climate events that are longer, more intense and occur earlier in the season. For the safety of the population and the resilience of the economy,\u00a0<strong>investment is urgently needed in response capacities, in line\u00a0with emerging risks\u00a0<\/strong>(such as a sufficient fleet of operational water-bombing aircraft, pumping capacity, emergency stockpiles, etc.),\u00a0<strong>in warning systems and crisis preparedness\u00a0<\/strong>(monitoring mechanisms, crisis planning, exercises),\u00a0<strong>and in the robustness of damage-response systems<\/strong>.\u00a0Failure to act now would mean condemning\u00a0ourselves\u00a0to endure repeated crises and to make impossible choices over which relief operations to launch and which communities to support.\u00a0\u00a0<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-size: 24px;\">Choices to be made, policy programmes for adaptation to be developed\u00a0<\/span><\/h2>\n<p><strong>Beyond these essential requirements, which can bring together a range of political perspectives, adapting to climate change requires structural choices<\/strong> that define both our adaptation objectives and the pathways to achieve them. Deciding what we want to preserve (an economic activity, an industry, a set of buildings, a service level) and what we are prepared to change is, above all, a political decision.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Choosing to maintain existing economic models, consistent with current trends, may in some cases be a defensible option and constitute an adaptation objective in itself<\/strong>. But this must be done explicitly, taking into account the limits and conditions of viability of current models, for example, irrigated agriculture, winter tourism, or service levels for energy or transport infrastructure. The necessary resources must also be secured: maintaining the public insurance model requires significant investment in prevention; maintaining access to water calls for investment to improve efficiency and reduce consumption; maintaining transport service levels demands major investment in renewal and modernization.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Conversely, preserving the status quo at all costs will not always be possible or even desirable<\/strong>. In such cases, measures to reconfigure spaces, reinvent sectors and transform territories can be envisaged and tested. These alternative political visions may be motivated by their intrinsic benefits (an agroecological, less productive agricultural model, for example, may bring greater benefits for biodiversity and the climate) but also by economic considerations and the efficient use of public funds (for example, when increased expenditure on sand replenishment or dyke reinforcement in response to coastal erosion eventually places a lasting burden on local finances).<\/p>\n<p>&nbsp;<\/p>\n<p><strong>These options reflect political visions of adaptation that must be debated as such<\/strong>. To date, they\u00a0remain\u00a0open in most of the areas studied. Different approaches to climate change\u00a0lead\u00a0to\u00a0very different\u00a0actions and requirements. To inform and structure this debate, our work provides cost components to enrich the discussion with quantified data.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-71811 size-full aligncenter\" src=\"https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Table-Adapting-France-to-4\u00b0C-e1772009119423.jpg\" alt=\"\" width=\"1047\" height=\"200\" srcset=\"https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Table-Adapting-France-to-4\u00b0C-e1772009119423.jpg 1047w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Table-Adapting-France-to-4\u00b0C-e1772009119423-300x57.jpg 300w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Table-Adapting-France-to-4\u00b0C-e1772009119423-1024x196.jpg 1024w, https:\/\/www.i4ce.org\/wp-content\/uploads\/2025\/10\/Table-Adapting-France-to-4\u00b0C-e1772009119423-768x147.jpg 768w\" sizes=\"auto, (max-width: 1047px) 100vw, 1047px\" \/><\/p>\n<p>&nbsp;<\/p>\n<div class=\"fond_bleu\"><\/p>\n<p>In the run-up to national and local elections, it will be essential for stakeholders to assess their adaptation options objectively, and to develop coherent strategies that reflect their\u00a0vision of the challenges ahead. The cost components presented in this study provide a useful foundation for this purpose.\u00a0<\/p>\n<p><\/div>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-size: 24px;\">The emerging but already crucial question: who will pay?\u00a0<\/span><\/h2>\n<p><strong>In recent years, discussions on how to\u00a0allocate\u00a0responsibility and share the costs of adaptation have intensified<\/strong>. They are taking place against a backdrop in which well-established mechanisms \u2013 such as those financing risk prevention, civil\u00a0protection\u00a0and water management \u2013 are already showing their limitations as needs increase. Yet few structural decisions have been made so far on how adaptation will be financed.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><strong>For now, discussions\u00a0remain\u00a0fragmented, with each stakeholder advancing its own proposals and funding ideas within its area of competence. Taken together, however, these exchanges reveal some common ground:\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>A recurring theme is the direct contribution of users to cover the adaptation needs of services affected by climate change<\/strong>,\u00a0for example through water,\u00a0electricity\u00a0or transport tariffs. While this user-financing model has the merit of transparency, questions\u00a0remain\u00a0about its social acceptability and the ability of private actors to absorb still poorly quantified cost increases.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Solidarity is also central to the debate on adaptation financing<\/strong>.\u00a0Equalization mechanisms are being discussed between regions so that less exposed or more fiscally robust areas can support those already affected or less well-off, for instance, in relation to flood risk, forest fires or declining snowfall.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p><strong>In particular, given that adaptation serves the public interest, the use of national solidarity is increasingly being discussed<\/strong>.\u00a0It extends the long-standing principle that all citizens share the costs of climate-related losses, exemplified by the natural disaster compensation scheme. Increasingly, this collective financing approach is being called upon to fund vulnerability reduction measures in a growing number of territories, each perceiving itself as particularly at risk and therefore entitled to\u00a0benefit\u00a0from coastal and mountain areas to the Mediterranean region. However, this raises\u00a0difficult questions\u00a0about fairness and long-term sustainability.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<div class=\"fond_bleu\"><\/p>\n<p>To date,\u00a0there\u00a0is no\u00a0comprehensive\u00a0national framework for financing adaptation.\u00a0Developing\u00a0such an approach is now essential\u00a0to:\u00a0<\/p>\n<ul>\n<li>gain a clearer understanding of the available options, their advantages and limitations;<\/li>\n<li>bring greater coherence to sectoral discussions that sometimes target the same financing mechanisms without prior coordination or consultation;<\/li>\n<li>define and\u00a0prioritize\u00a0the principles of national\u00a0burden-sharing for adaptation.\u00a0<\/li>\n<\/ul>\n<p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>This report, originally published in French in September 2025, is a contribution to the public debate on adaptation in France. The methodologies applied, the data collection process, as well as the analytical framework proposed, may inform broader discussions in Europe, as the preparations for an EU integrated framework for European climate resilience and risk management are well underway.\u00a0<\/p>\n","protected":false},"featured_media":71808,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"type_publication":[49],"class_list":["post-70647","publication","type-publication","status-publish","has-post-thumbnail","hentry","type_publication-climate-report"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Adapting France to +4\u00b0C: current resources, additional needs, and funding options - I4CE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.i4ce.org\/en\/publication\/adapting-france-four-degrees-current-resources-additional-needs-funding-options-climate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adapting France to +4\u00b0C: current resources, additional needs, and funding options - I4CE\" \/>\n<meta property=\"og:description\" content=\"This report, originally published in French in September 2025, is a contribution to the public debate on adaptation in France. 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