Water finance is no longer someone else’s problem
By Jorge Gastelumendi Thu, May 7, 2026
I used to think of water the way most people do: a category on a utility bill, a local issue, something governments handle quietly in the background.
Then I started working at the intersection of climate and finance, and I quickly learned that water is much more than that: It’s an infrastructure for everything else.
When water systems fail, food prices spike. Power grids go down. Insurance gets expensive or even disappears.
Notably, the World Bank and Organisation for Economic Co-operation and Development have each reframed water from an “environmental concern” to a “financial stability risk.” That’s a meaningful shift. It reflects the fact that food producers, energy companies, and manufacturers are all water-dependent—and when their costs rise, workers and consumers feel it. Governments face mounting infrastructure repair bills. The downstream effects are economic, not just environmental.
That means water stress isn’t just a problem for farmers in drought-prone regions. It’s a problem for anyone who owns a home in a flood zone, uses electricity, or eats—in other words, all of us.
Technology and private capital are starting to meet.
Climate terms worth knowing
Blended finance uses public or philanthropic money to de-risk projects enough that private investors will come in.
Bankable projects are initiatives with clear returns and manageable risk—the kind that can attract real capital at scale.
This article is part of The Climate Check-In, a series designed for readers who want to go beyond the headlines. Authored by a trio of senior experts, these articles draw on decades of experience in climate resilience to highlight the most critical developments in the field. Start your month with The Climate Check-In at the top of your inbox.
In Mexico City, 40 percent of water is lost from leaking pipes before it ever reaches the taps. Now, there’s a new way of monitoring and preventing water stress.
The city partnered with Xylem and Amazon to create a new digital water platform called Xylem Vue. It’s designed to detect leaks underground, manage pressure in real time, and reduce water losses across urban systems.
This initiative is just one example of how policy, finance, and technology are finally moving in the same direction.
Governments are starting to frame water investment as an economic necessity, not charity. And the mental model is shifting from crisis response to prevention.
Xylem Vue is a recent example of projects that analyze and strategically address infrastructural weaknesses, rather than replacing the infrastructure at large. This type of project uses data and technology to identify areas to repair or redesign. Thus, it can save governments money and make their financial investments more efficient. In the eyes of investors and institutions, such projects are far more bankable—and they show the value of adaptation.
It is also worthy of note that Xylem Vue is a public-private partnership, instead of a pilot program or a grant-funded experiment. That is a good sign. If water is a systemic risk—the kind that ripples across whole economies—then it belongs in the same conversations as banking stability and sovereign debt, not just environmental grants.
Water has always been foundational. We’re just finally treating it that way, which means it can be financed and, ultimately, fixed.
Jorge Gastelumendi is the senior director of the Atlantic Council’s Climate Resilience Center. He formerly served as chief advisor and negotiator to the government of Peru, playing a critical role during the adoption of the Paris Agreement in the government’s dual role as president of COP20 and co-chair of the Green Climate Fund’s board.