Insights from global adaptation strategies

Sri Lanka has been heavily affected by floods, and extreme flooding is rapidly becoming one of the most disruptive climate hazards worldwide. The consequences extend far beyond damaged infrastructure and displaced communities. The food systems and supply networks are among the hardest hit. Floods disrupt food systems through multiple pathways. Croplands are submerged, livestock are lost, and soils become degraded due to erosion or sediment deposition. Infrastructural facilities like roads, bridges, retail shops, storage warehouses, and sales centres are damaged or rendered inaccessible. Without functioning food supply networks, even unaffected food-producing regions struggle to continue daily lives in such disasters. Poor households, particularly those dependent on farming or informal rural economies, face sharp food price increases and income loss, increasing vulnerability and food insecurity.

Many countries now recognie that traditional emergency responses alone are no longer enough. Instead, they are adopting a combination of short-term stabilisation measures and long-term strategies to strengthen food supply chains against recurrent floods. The most common immediate response is the provision of emergency food and cash assistance. Governments, the World Food Programme, and other humanitarian organisations often deliver food, ready-to-eat rations, livestock feed, and livelihood support to affected communities.

Alongside these immediate measures, some nations are implementing long-term strategic actions. These include technology- and data-driven approaches to improve flood preparedness. Early warning systems, using satellite data, hydrological models, and advanced weather forecasting, allow farmers and supply chain operators to prepare for potential disruptions. Digital platforms provide market intelligence, logistics updates, and risk notifications to producers, wholesalers, and transporters. This article highlights examples of such strategies from countries that experience frequent flooding.

China: Grain Reserves and Strategic Preparedness

China maintains a large strategic grain reserve system for rice, wheat, and maize; managed by NFSRA-National Food and Strategic Reserves Administration and Sinograin (China Grain Reserves Corporation (Sinograin Group), funded by the Chinese government, that underpins national food security and enables macro-control of markets during supply shocks. Moreover, improvements in supply chain digitization and hydrological monitoring, the country has strengthened its ability to maintain stable food availability during extreme weather events.

Bangladesh: Turning Vulnerability into Resilience

In recent years, Bangladesh has stood out as one of the world’s most flood-exposed countries, yet it has successfully turned vulnerability into adaptive resilience. Floating agriculture, flood-tolerant rice varieties, and community-run grain reserves now help stabilise food supplies when farmland is submerged. Investments in early-warning systems and river-basin management have further reduced crop losses and protected rural livelihoods.

Netherlands, Japan: High-Tech Models of Flood Resilience

The Netherlands offers a highly technical model. After catastrophic flooding in 1953, the country completely redesigned its water governance approach. Farmland is protected behind sea barriers, rivers are carefully controlled, and land-use zoning is adaptive. Vertical farming and climate-controlled greenhouses ensure year-round food production, even during extreme events. Japan provides another example of diversified flood resilience. Following repeated typhoon-induced floods, the country shifted toward protected agriculture, insurance-backed farming, and automated logistics systems. Cold storage networks and digital supply tracking ensure that food continues to reach consumers, even when roads are cut off. While these strategies require significant capital and investment, their gradual implementation provides substantial long-term benefits.

Pakistan, Thailand, Indonesia, and Vietnam: Reform in Response to Recurrent Floods

In contrast, Pakistan and Thailand illustrate both the consequences of climate vulnerability and the benefits of proactive reform. The 2022 floods in Pakistan submerged about one-third of the country, destroying crops and disrupting trade networks. In response, the country has placed greater emphasis on climate-resilient farming, water governance reforms, and satellite-based crop monitoring. Pakistan as well as India is promoting crop diversification and adjusting planting schedules to help farmers avoid the peak monsoon flood periods.

Thailand has invested in flood zoning and improved farm infrastructure that keep markets supplied even during severe flooding. Meanwhile, Indonesia and Vietnam are actively advancing flood-adapted land-use planning and climate-resilient agriculture. For instance, In Vietnam’s Mekong Delta, pilot projects integrate flood-risk mapping, adaptive cropping strategies, and ecosystem-based approaches to reduce vulnerability in agricultural and distribution areas. In Indonesia, government-supported initiatives and regional projects are strengthening flood-risk-informed spatial planning, adaptive farming practices, and community-based water management to improve resilience in flood-prone regions. (See Figure 1)

The Global Lesson: Resilience Requires Early Investment

The global evidence is clear: countries that invest early in climate-adaptive agriculture and resilient logistics are better able to feed their populations, even during extreme floods. Building a resilient future depends not only on how we grow food but also on how we protect, store, and transport it. Strengthening infrastructure is therefore central to stabilising food supply chains while maintaining food quality, even during prolonged disruptions. Resilient storage systems, regional grain reserves, efficient cold chains, improved farming infrastructure, and digital supply mapping help reduce panic buying, food waste, and price shocks after floods, while ensuring that production capacity remains secure.

Persistent Challenges

However, despite these advances, many flood-exposed countries still face significant challenges. Resources are often insufficient to upgrade infrastructure or support vulnerable rural populations. Institutional coordination across the agriculture, disaster management, transport, and environmental sectors remains weak. Moreover, the frequency and scale of climate-driven floods are exceeding the design limits of older disaster-planning frameworks. As a result, the gap between exposure and resilience continues to widen. These challenges are highly relevant to Sri Lanka as well and require deliberate, gradual efforts to phase them out.

The Role of International Trade and global markets

When domestic production falls in such situations, international trade serves as an important buffer. When domestic production is temporarily reduced, imports and regional trade flows can help stabilise food availability. Such examples are available from other countries. For instance, In October 2024, floods in Bangladesh reportedly destroyed about 1.1 million tonnes of rice. In response, the government moved to import large volumes of rice and allowed accelerated or private-sector imports of rice to stabilize supply and curb food price inflation. This demonstrates how, when domestic production fails, international trade/livestock/food imports (from trade partners) acted as a crucial buffer to ensure availability of staple food for the population. However, this approach relies on well-functioning global markets, strong diplomatic relationships, and adequate foreign exchange, making it less reliable for economically fragile nations. For example, importing frozen vegetables to Sri Lanka from other countries can help address supply shortages, but considerations such as affordability, proper storage and selling mechanisms, cooking guidance, and nutritional benefits are essential, especially when these foods are not widely familiar to local populations.

Marketing and Distribution Strategies during Floods

Ensuring that food reaches consumers during floods requires innovative marketing and distribution strategies that address both supply- and demand-side challenges. Short-term interventions often include direct cash or food transfers, mobile markets, and temporary distribution centres in areas where conventional marketplaces become inaccessible. Price stabilisation measures, such as temporary caps or subsidies on staple foods, help prevent sharp inflation and protect vulnerable households. Awareness campaigns also play a role by educating consumers on safe storage, cooking methods, and the nutritional value of unfamiliar imported items, helping sustain effective demand.

Some countries have integrated technology to support these efforts; in this regard, adaptive supply chain strategies are increasingly used. Digital platforms provide farmers, wholesalers, and retailers with real-time market information, logistics updates, and flood-risk alerts, enabling them to reroute deliveries or adjust production schedules. Diversified delivery routes, using alternative roads, river transport, drones, or mobile cold-storage units, have proven essential for maintaining the flow of perishable goods such as vegetables, dairy, and frozen products. A notable example is Japan, where automated logistics systems and advanced cold-storage networks help keep supermarkets stocked even during severe typhoon-induced flooding.

The Importance of Research, Coordination, and Long-Term Commitment

Global experience also shows that research and development, strong institutional coordination, and sustained national commitment are fundamental pillars of flood-resilient food systems. Countries that have successfully reduced the impacts of recurrent floods consistently invest in agricultural innovation, cross-sector collaboration, and long-term planning.

Awareness Leads to Preparedness

As the summary, global evidence shows that countries that act early, plan strategically, and invest in resilience can protect both people and food systems. As Sri Lanka considers long-term strategies for food security under climate change, learning from flood-affected nations can help guide policy, planning, and public understanding. Awareness is the first step which preparedness must follow. These international experiences offer valuable lessons on how to protect food systems through proactive planning and integrated actions.

(Premaratne (BSc, MPhil, LLB) isSenior Lecturer in Agricultural Economics Department of Agricultural Systems, Faculty of Agriculture, Rajarata University. Views are personal.)

Key References·

Cabinet Secretariat, Government of Japan, 2021. Fundamental Plan for National Resilience – Food, Agriculture, Forestry and Fisheries / Logistics & Food Supply Chains. Tokyo: Cabinet Secretariat.

· Delta Programme Commissioner, 2022. Delta Programme 2023 (English – Print Version). The Hague: Netherlands Delta Programme.

· Hasanuddin University, 2025. ‘Sustainable resilience in flood-prone rice farming: adaptive strategies and risk-sharing around Tempe Lake, Indonesia’, Sustainability. Available at: https://www.mdpi.com/2071-1050/17/6/2456 [Accessed 3 December 2025].

· Mekong Urban Flood Resilience and Drainage Programme (TUEWAS), 2019–2021. Integrated urban flood and drainage planning for Mekong cities. TUEWAS / MRC initiative.

· Ministry of Agriculture and Rural Affairs, People’s Republic of China, 2025. ‘China’s summer grain procurement surpasses 50 mln tonnes’, English Ministry website, 4 July.

· National Food and Strategic Reserves Administration (China) 2024, ‘China purchases over 400 mln tonnes of grain in 2023’, GOV.cn, 9 January. Available at: https://english.www.gov.cn/archive/statistics/202401/09/content_WS659d1020c6d0868f4e8e2e46.html

· Pakistan: 2022 Floods Response Plan, 2022. United Nations / Government of Pakistan, UN Digital Library.

· Shigemitsu, M. & Gray, E., 2021. ‘Building the resilience of Japan’s agricultural sector to typhoons and heavy rain’, OECD Food, Agriculture and Fisheries Papers, No. 159. Paris: OECD Publishing.

· UNDP & GCF, 2023. Enhancing Climate Resilience in Thailand through Effective Water Management and Sustainable Agriculture (E WMSA): Project Factsheet. UNDP, Bangkok.

· United Nations Development Programme (UNDP), 2025. ‘Rice Bank revives hope in flood hit hill tracts, Bangladesh’, UNDP, 19 June.

· World Bank, 2022. ‘Bangladesh: World Bank supports food security and higher incomes of farmers vulnerable to climate change’, World Bank press release, 15 March.