Liquid cooled servers successful an installation astatine the Global Switch Docklands information centre field successful London, UK, connected Monday, June 16, 2025.
Bloomberg | Bloomberg | Getty Images
Europe's ambitious artificial quality strategy is astatine hazard of colliding with an often overlooked but critically important biology issue: water scarcity.
The European Union has large plans for information halfway expansion, announcing successful April that it intends to astatine slightest triple its capableness implicit the adjacent 5 to 7 years arsenic portion of a propulsion to go a world-class AI hub.
The accelerated rollout of information centers, which powerfulness each aspects of the integer economy, from societal media and online banking to AI tools similar ChatGPT, has sparked immoderate interest — peculiarly successful regions already facing h2o scarcity.
The contented is particularly acute crossed confederate Europe, with astir 30% of the colonisation known to beryllium situated successful areas with imperishable h2o stress. This refers to a concern wherever the request for h2o exceeds the disposable proviso during a circumstantial period.
Data centers typically necessitate large quantities of water to support them from overheating.
Major tech companies similar Amazon, Microsoft and Meta person invested billions of U.S. dollars successful caller facilities successful Spain, for instance, portion Google has plans to make 3 hubs successful Greece's Attica region.

Kevin Grecksch, subordinate prof of h2o science, argumentation and absorption astatine the U.K.'s University of Oxford, told CNBC that plans to physique information centers successful water-stressed areas crossed Europe reflects a deficiency of integrated reasoning from policymakers.
"AI is simply a buzzword and the speech of the town," Grecksch said. "So, nationalist and determination politicians effort to get their hands connected it, and it sounds arsenic if you're investing into the future, creating a fewer caller jobs — but sustainability seems to beryllium an afterthought."
Grecksch said the accelerated rollout of information centers crossed the portion throws up plentifulness of unanswered questions, specified as, fixed that successful astir jurisdictions nationalist h2o proviso has precedence implicit everything else, what happens if information centers are unopen down successful a drought scenario? He conceded helium had nary reply to this prospect.
"Data centres thin to beryllium built successful arid oregon semi-arid climates due to the fact that that's the preferred situation for servers; yet those areas thin to beryllium taxable to h2o scarcity oregon drought prone arsenic well," Grecksch said.
A spokesperson for the European Commission, the EU's enforcement arm, said policies of the European High Performance Computing Joint Initiative (EuroHPC JU) see selecting hosting sites for AI factories based connected criteria that prioritizes vigor ratio and biology sustainability.
"Green computing volition proceed to beryllium pursued done energy-efficient supercomputers optimised for AI, utilizing techniques specified arsenic dynamic powerfulness redeeming and re-use techniques similar precocious cooling and recycling of the vigor produced," the spokesperson told CNBC by email.
The EU referenced the caller "JUPITER" supercomputer successful Jülich, Germany, arsenic "a premier illustration of European excellence" successful addressing vigor efficiency, saying the strategy runs wholly connected renewable vigor and features "cutting-edge" cooling and vigor reuse.
Data centers' h2o footprint
In Aragon, an country of terrible h2o accent successful northeastern Spain, Amazon is readying to unfastened 3 information centers. The proposal, which the U.S. tech elephantine says volition make thousands of jobs, has sparked tension betwixt section farmers and biology activists.
In the U.K., the tiny English colony of Culham has been picked arsenic the archetypal of the British government's alleged AI "growth zones." The designation of the Oxfordshire site, which is situated adjacent to 1 of the country's first caller reservoirs successful 30 years, has raised fears that it could enactment further unit connected section h2o supplies.
Nick Kraft, elder expert astatine governmental hazard consultancy Eurasia Group, said "extremely arid" and high-water accent localities were being targeted crossed Europe for further information halfway development.
"Complicating the substance is the information that the astir communal knowing of information halfway h2o usage, and typically what companies study connected erstwhile communicating with section stakeholders, is on-site h2o usage — oregon the h2o utilized for cooling successful information centers," Kraft told CNBC by email.
This photograph taken connected August 24, 2025 shows a wide presumption of the Mediano reservoir, successful the northeastern portion of Aragon, Huesca province.
Ander Gillenea | Afp | Getty Images
"This contempt much than fractional of information centers' h2o footprint being off-site, occurring successful vigor procreation and semiconductor manufacturing," helium added.
There are emerging signs that information halfway operators are maturing successful their h2o stewardship, Kraft said, but assessing the afloat h2o footprint of these projects is expected to stay a large challenge.
Analysis published by S&P Global past period said the information halfway industry's mean vulnerability to h2o accent is projected to beryllium precocious successful the 2020s, with confederate European countries specified arsenic Spain and Greece among the locations forecast to look the astir h2o stress.
Data centers powerfulness the integer economy
Michael Winterson, caput wide of the European Data Centre Association (EUDCA), which represents the interests of the European information halfway relation community, said h2o depletion is simply a interest that the manufacture takes seriously.
"Water attraction and postulation is present mean for us. And determination are continual innovations successful this abstraction that trim vigor required, trim h2o needed and are accelerated approaching adjacent zero chemic treatment," Winterson told CNBC.
The "next large thing" the EUDC wants to bash successful Europe, Winterson said, noting that the portion typically lags the U.S. successful this space, is to get non-potable h2o feeds, referring to h2o that is not harmless for drinking but tin beryllium utilized for different concern processes.
"This reduces chemicals and vigor utilized to get h2o and keeps potable h2o for its superior purpose," helium added.
For their part, galore information halfway operators, assertion that it is the energy-intensive quality of their exertion that pushes them to see sustainable innovations. Companies often usage h2o usage effectiveness (WUE) arsenic a metric for identifying h2o ratio successful information centers, nevertheless the metric poses its ain limitations.
Microsoft has been trialing information halfway designs that it says consumes zero h2o for cooling and Start Campus said it's Sines installation successful Portugal achieves a WUE of zero by recycling seawater done its sytems.
An relation works astatine the information centre of French institution OVHcloud successful Roubaix, bluish France connected April 3, 2025.
Sameer Al-doumy | Afp | Getty Images
The EUDC's caput wide besides sought to item the value of information centers to the region's integer economy.
"This is trillions of dollars of GDP and millions of exertion jobs successful Europe unsocial — which successful mean wage importantly higher salaries than nationalist mean wages. A 20 [megawatt] Datacentre uses the akin magnitude of h2o arsenic a play course! How overmuch GDP bash play courses create? What benignant of jobs?" Winterson said.
A deepening h2o crisis
European lawmakers person antecedently warned astir the region's increasing h2o crisis, saying determination is simply a pressing request to tackle issues specified arsenic scarcity, nutrient information and contamination astatine a clip erstwhile Europe is the fastest-warming continent connected the planet.
The European Environment Agency, for its part, said precocious past period that the region's h2o resources are presently nether "severe pressure," with h2o accent affecting one-third of Europe's colonisation and territory.
When factoring successful the detonation of AI demand, Laura Ramsamy, clime and hazard pb astatine information analytics level Climate X, said the rollout of caller hyperscale information centers successful already water-stressed European areas "is truly exacerbating the problem."

In the Netherlands successful 2022, for instance, Meta paused its plans to physique a ample information halfway successful the portion of Zeewolde amid objections implicit biology concerns, peculiarly precocious powerfulness and h2o consumption.
Ireland, which has agelong embraced the rollout of information centers to facilitate an AI boom, besides precocious came nether scrutiny from biology groups, with galore of these hubs concentrated successful the Dublin area.
Notably, the Netherlands and Ireland person some imposed effectual bans connected caller information centers implicit the coming years owed to concerns implicit grid capableness and their biology impact.
A spokesperson of Ireland's Department of Climate, Energy and the Environment said the operation and cognition of information centers person "positively contributed" to the Irish system implicit the past decade.
"As with each sectors of our economy, the cognition and improvement of information centres are underpinned by Ireland's legally binding clime objectives and the request to support robust vigor security," the spokesperson said.
"It is understood that the largest information centres successful Ireland chiefly run aerial cooling alternatively than h2o cooling systems. This differentiates Ireland from galore planetary information centre locations," they added.










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