In Pakistan, climate change and economic development converge on the Indus Basin. About ninety per cent of Pakistan’s population and more than three quarters of its gross domestic product depend on water from the Indus and its tributaries. Over the past decade, escalating floods, droughts and salinity intrusion have shown that the country’s water system is both a lifeline and a vulnerability. Policymakers now recognise that infrastructure is not limited to concrete canals and dams. Healthy rivers, wetlands, forests and groundwater‑recharge zones are critical assets. These assets form what European policy makers call blue‑green infrastructure, a strategically planned network of natural and semi‑natural areas designed and managed to deliver ecosystem services.
Pakistan’s government and its partners have translated this insight into the Living Indus Initiative, which aims to restore the Indus Basin’s ecosystems and water security. Among the initiative’s flagship projects is a proposal to build or restore 100 000 community ponds across the basin. These ponds would capture monsoon and flood flows, store water where it falls, recharge aquifers and create habitats that support biodiversity and livelihoods. According to the official Living Indus prospectus, the programme aims to implement the ponds over a decade at an indicative cost of USD 1–1.5 billion, or roughly USD 10 000–15 000 per pond . Although each pond is modest in size, the cumulative impact could significantly improve groundwater levels, reduce salinity and desalination costs and provide communal water sources in drought‑prone districts .
Pakistan’s National Climate Resilience and Adaptation Plan (NAP) reinforces this vision. The NAP proposes to train local communities to harvest rainwater in small ponds and dams, raise financial sources for irrigation and rainwater infrastructure development, and involve local and international corporate sectors in these projects. It calls for establishing a National Adaptation Fund and mobilising both local and foreign financing to implement adaptation programmes. The plan states that adaptation requires both public and private financial instruments, including grants, equity, guarantees and insurance. It emphasises the need to leverage private sector finance and highlights public‑private partnerships as a key instrument for adaptation. In the water sector, the NAP promotes public‑private partnerships for enhancing access to safe drinking water and for sustainable operation and maintenance of water supply systems , and urges exploration of such partnerships to resolve financial access issues for water, sanitation and hygiene services .
A financing challenge
The benefits of small ponds are well understood, yet financing them at scale is difficult. Many studies estimate that proactive adaptation measures can generate four to fifteen dollars in social benefits for every dollar spent and that one dollar invested in climate adaptation and resilience may return more than ten dollars over ten years. Despite these returns, adaptation projects struggle to attract investment because the benefits are diffuse like flood‑avoided losses, groundwater replenishment and biodiversity gains do not easily translate into revenue streams. Adaptation accounted for only a small share of global climate finance in recent years. There is often a gap between the strong economic case, which counts all benefits to society, and the weaker financial case, which counts only cash flows accruing to investors .
The World Resources Institute notes that a broad menu of instruments like blended finance, bonds, concessional loans, guarantees and payment for ecosystem services (PES) schemes can mobilise investment for adaptation. The Adaptation Community network adds that the private sector can respond to climate risks by financing adaptation solutions and providing adaptation products and services. Nature‑based project developers have shown that investors can earn returns from carbon credits, water improvements and other ecosystem services. Effective measurement, reporting and verification (MRV) systems are necessary to prove that projects deliver real benefits and enable performance‑based payments. The NAP echoes these principles by calling for public‑private partnerships and innovative financing instruments .
Turning ponds into investable assets
Innovative financial models could turn a dispersed network of ponds into a bankable portfolio that generates cash flows. Four broad funding pillars like public finance, blended finance, results‑based finance and community or private co‑investment can support the 100 000 ponds initiative.
- Payment for ecosystem services (PES): Under a PES model, farmers, urban water utilities or industries pay for the services they receive from the ponds. Each pond would provide groundwater recharge, flood buffering and improved water quality. A downstream water utility could sign a contract with the pond network to pay a fee per cubic metre of recharge, with the cost recovered through water tariffs. Investors would finance pond construction and MRV systems; returns would come from annual PES payments, similar to how watershed‑protection schemes pay upstream landholders to maintain forests. This revenue could be aggregated across thousands of ponds into a bond‑like instrument.
- Carbon and biodiversity credits: While individual ponds sequester modest amounts of carbon, reforestation and ecological restoration around 100 000 ponds could yield significant carbon and biodiversity benefits. Verified carbon standards now accept credits from wetlands and blue‑carbon projects. Investors are increasingly seeking returns from carbon credits, water improvements and other ecosystem services. A Living Indus pond project could bundle reforested catchments into a carbon project, sell credits on voluntary markets and share proceeds with investors.
- Aquaculture and agro‑ecology enterprises: Properly designed ponds can support fish, shrimp or duck farming. Investors could partner with local cooperatives to lease pond rights and share profits from fish sales. Integrated agriculture such as floating gardens, drip‑irrigated vegetable plots using pond water or silvo‑pasture around pond margins could generate additional revenue while improving nutrition and livelihoods. Micro‑franchising models, similar to small‑scale renewable‑energy kiosks, could standardise business plans and attract impact investors focused on rural development.
- Renewable‑energy add‑ons: Floating solar arrays or micro‑hydropower turbines on larger ponds could produce electricity for nearby communities. This electricity could be sold to the grid or used to power pumps and drip‑irrigation systems, reducing operating costs and creating a power‑tariff revenue stream. Investors could earn returns through power purchase agreements or by leasing pond surface area to energy companies.
- Resilience bonds and outcome‑based financing: Resilience bonds leverage insurance savings to fund risk‑reduction projects. If a portfolio of ponds demonstrably reduces flood risk, the avoided disaster losses could lower insurance premiums for municipalities or insurers. That premium differential could be securitised into a bond that repays investors based on measured outcomes. Similarly, impact bonds could link investor returns to performance metrics such as water‑recharge volumes or reductions in flood‑damage claims. Governments or donors would pay investors if targets are met, shifting risk away from the public sector.
- Community and corporate co‑investment: Local contributions of land, labour or small capital signal ownership and sustainability. Companies seeking water stewardship and carbon neutrality could co‑invest in pond construction as part of their environmental, social and governance strategies. Businesses in sectors that depend on reliable water supply such as beverage, textile or mining could finance ponds upstream and secure water rights or corporate branding in return. Investors might not earn direct cash flows but could receive tax incentives, reputational benefits and long‑term supply‑chain security.
- Data markets and MRV services: Each pond could be equipped with low‑cost sensors measuring water levels, temperature, soil moisture and biodiversity indicators. A digital MRV platform would provide transparent data for PES contracts, carbon credits and outcome‑based bonds. Investors could monetise data services by selling subscriptions to researchers, insurers or governments. High‑resolution hydrological data is increasingly valuable in climate‑risk analytics.
Execution and governance
Effective implementation requires robust planning and governance. Basin‑level data should guide pond siting to maximise hydrological and social impact. Standardised designs should be flexible enough to accommodate local conditions and safeguard ecosystems and land rights. Construction and operation should be community‑led, using local labour and materials to foster stewardship. The NAP stresses training local communities to harvest rainwater in small ponds and involving local and international corporate sectors . Maintenance would require village‑level committees, supported by micro‑enterprises, to desilt ponds, manage aquaculture and prevent contamination. Transparent MRV systems are essential to track water storage, ecosystem health, carbon sequestration and socio‑economic outcomes. These systems would ensure that payments and returns are tied to real impacts and help unlock financing .
A portfolio approach
Individually, a pond is a modest earthwork; collectively, 100 000 ponds form a portfolio of natural infrastructure assets. The Canadian Climate Institute notes that one of the biggest barriers to adaptation finance is that benefits cannot always be quantified, aggregated and monetised . Bundling many small projects into a single investment vehicle diversifies risk, reduces transaction costs and creates economies of scale. It also allows cross‑subsidisation: revenue from high‑income areas or profitable aquaculture sites can support ponds in poorer districts. A portfolio can attract diverse investors, including impact funds, development banks and climate‑finance facilities.
Pakistan’s blue‑green infrastructure is too important to rely on public budgets alone. The ponds initiative demonstrates that adaptation can be both socially transformative and financially viable. By combining public grants, concessional finance, outcome‑based contracts and innovative revenue models carbon credits, PES schemes, aquaculture, renewable energy, resilience bonds and data services private investors can earn returns while building climate resilience. Such investments will help Pakistan withstand future monsoon shocks and could become a template for other river basins in South Asia and beyond.
Bibliography
[1] Living Indus: Background and status – The Living Indus prospectus notes that around 90 % of Pakistan’s population and more than three quarters of its economy depend on Indus waters. Available at: Living Indus prospectus (UN).
[2] Living Indus prospectus: The same prospectus proposes building or restoring 100 000 community ponds at a cost of US$ 1–1.5 billion and explains that these ponds would improve groundwater recharge and reduce salinity. Available at: Living Indus prospectus (UN).
[3] National Adaptation Plan (NAP), agriculture section: The National Adaptation Plan (NAP) calls for training local communities to harvest rainwater in small ponds and dams, raising financial sources for irrigation and rainwater infrastructure, and involving local and international corporate sectors. Available at: NAP – Agriculture and water sections (Government of Pakistan).
[4] Canadian Climate Institute: A report on mobilising private capital for climate adaptation notes that adaptation accounted for only seven per cent of climate finance flows in 2021 and remains chronically underfunded. Available at: Mobilising Private Capital for Climate Adaptation Infrastructure.
[5] NAP financing strategy: The NAP proposes establishing a National Adaptation Fund and states that adaptation requires public and private financial instruments including grants, equity, guarantees and insurance with public‑private partnerships highlighted as a key instrument. Available at: NAP – Financing strategy section.
[6] NAP water sector actions: The NAP promotes public‑private partnerships for enhancing access to safe drinking water and sustainable operation and maintenance of water supply systems, and urges exploration of such partnerships to improve financial access for water, sanitation and hygiene services. Available at: NAP – Water sector actions.
[7] World Resources Institute (WRI): WRI’s technical perspective on climate adaptation finance lists financial instruments for adaptation including blended finance, bonds, concessional loans, guarantees and payment for ecosystem services and notes that adaptation investments can yield high returns. Available at: Financing Adaptation: 11 Financial Instruments that Help Build Climate Resilience.
[8] Adaptation Community network: This resource highlights that the private sector can invest in adaptation solutions and provide adaptation products and services. Available at: Private Sector & Adaptation.
[9] NatureVest and investors’ returns: A report from The Nature Conservancy’s NatureVest programme states that investors can earn returns from carbon credits, water improvements and other ecosystem services when projects include credible MRV systems. Available at: Investing in Nature – Private Finance for Nature‑Based Resilience