Extreme heat can disrupt far more than daily life. When temperatures climb to unusual levels, power grids, transportation systems, buildings, and even critical digital infrastructure can come under pressure. That last part is easy to overlook because digital services feel invisible. You open a website, launch an app, send an email, or access a cloud platform, and everything appears to happen somewhere in cyberspace. In reality, every one of those actions depends on physical machines operating inside data centers, where servers, storage systems, networking equipment, electrical components, and cooling systems must work together continuously.
Data centers have a particularly difficult relationship with heat because the equipment inside them produces enormous amounts of it. Thousands of servers can run simultaneously, processing applications, storing files, handling databases, and responding to user requests around the clock. All of that computing activity generates heat that must be removed. Under normal conditions, sophisticated cooling systems can keep temperatures within safe limits. During an extreme heatwave, however, cooling equipment has to work much harder, and a failure or reduction in cooling capacity can quickly turn into a serious operational problem.
The consequences can be surprisingly widespread. A cloud provider might experience a problem at one facility, yet the outage can appear on completely unrelated websites and applications because those businesses rely on the same infrastructure. Users may blame an app, website, or service for suddenly becoming unavailable without realizing that the actual problem is happening several layers underneath. It’s similar to a neighborhood losing electricity because a transformer failed somewhere down the street. The individual homes aren’t necessarily broken, but they are still affected by the same physical infrastructure problem.
As cloud computing, artificial intelligence, and other demanding workloads continue expanding, the relationship between heat and digital reliability is becoming even more important. Several major technology and internet companies have already experienced service disruptions associated with extreme temperatures, cooling problems, or heat-related infrastructure failures. These incidents reveal just how physical the supposedly invisible internet really is.
Why Extreme Heat Can Disrupt Digital Services
A modern data center is essentially a carefully controlled environment built around one major objective: keeping computing equipment operating safely and reliably. Servers, storage arrays, network switches, power supplies, and other hardware all generate heat while they are running. Cooling systems continuously remove that heat and maintain appropriate temperatures throughout the facility. If the cooling system can’t keep up, temperatures can rise quickly, especially in densely packed server rooms where enormous amounts of computing power are concentrated in relatively small spaces.
Extreme outdoor temperatures can make this challenge considerably harder. Cooling equipment may need to operate at much higher capacity, while electrical systems can also face additional demand from air conditioning and other cooling loads. If a cooling component fails, utility power is interrupted, or part of the cooling infrastructure loses capacity, operators may have to take protective action. That can include moving workloads, reducing capacity, or shutting down hardware before temperatures become dangerous. A weather event can therefore become a digital outage without a server ever being physically destroyed.
How Data Centers Depend on Cooling
Cooling isn’t an optional comfort feature inside a data center. It is a fundamental part of the infrastructure that allows servers to function. Every processor and electronic component generates heat as electrical energy is consumed, and large facilities can contain thousands of machines operating simultaneously. To manage that thermal load, data centers use systems such as industrial air conditioning, fans, chillers, heat exchangers, airflow controls, and increasingly liquid cooling. These systems work continuously to move heat away from computing equipment and prevent temperatures from reaching levels that could cause instability or hardware damage.
What Happens When Servers Overheat
When equipment becomes too hot, servers can automatically reduce their performance, trigger thermal protection, or shut themselves down. Data center operators can also intervene before that point by reducing workloads or powering down selected systems. While an intentional shutdown may sound like a failure, it can actually be a protective measure designed to prevent much more expensive hardware damage. The problem is that the services running on those machines may become unavailable. If the affected servers host a website, database, cloud application, or networking system, users can suddenly encounter errors even though the original cause is simply that the physical infrastructure became too hot to operate safely.
5 Digital Services Affected by Extreme Heat and Data Center Outages
Extreme heat has already demonstrated that digital infrastructure isn’t separated from the physical environment. When a data center loses cooling capacity or has to shut down equipment because of dangerous temperatures, the effects can travel through the layers of technology built on top of that infrastructure. A cloud application might stop responding, an email system could become inaccessible, or a networking service could experience delays. The larger and more interconnected the infrastructure becomes, the greater the potential ripple effect.
The five examples we’ll explore show different ways extreme heat can contribute to digital service disruptions. Some involve major cloud providers supporting thousands of businesses, while others involve internet and networking infrastructure. Together, they show why data center cooling, temperature monitoring, power resilience, and geographic redundancy are becoming increasingly important. The internet may seem weightless, but keeping it online requires a tremendous amount of physical infrastructure, and that infrastructure still has to survive the heat.
1. AWS: An Outage Linked to Extreme Heat
Amazon Web Services, better known as AWS, provides infrastructure for an enormous number of websites, applications, databases, storage systems, and online platforms. In May 2026, AWS experienced a significant disruption associated with overheating at a data center in Northern Virginia. The incident demonstrated how an extreme-temperature problem inside a physical facility can quickly become a digital problem for businesses and users far away from the location itself. Reports indicated that a sudden temperature spike contributed to a power failure at the facility, affecting parts of AWS infrastructure and causing problems for services running on affected EC2 instances and EBS volumes. Other companies depending on AWS infrastructure also experienced disruption, showing how interconnected modern digital services have become.
The incident is particularly interesting because AWS operates enormous amounts of redundant infrastructure. That redundancy is designed to reduce the impact of individual hardware and facility failures, but it doesn’t mean every workload can automatically move somewhere else. Applications may still depend on a particular region, availability zone, storage system, or computing resource. Once overheating and related infrastructure problems affected the facility, AWS had to restore the necessary systems carefully and progressively. That’s an important part of data center recovery because immediately restarting equipment after a thermal event can create additional risks. The situation was a clear reminder that the “cloud” isn’t actually floating in some invisible digital space. It’s a huge collection of physical computers inside buildings, and those computers still have very real temperature limits.
What Happened at the Data Center
The AWS incident involved extreme temperatures affecting infrastructure at a Northern Virginia data center. As conditions deteriorated, cooling and power infrastructure came under pressure, eventually affecting computing and storage resources. AWS then worked to restore the affected systems while bringing infrastructure back into operation in a controlled manner. That recovery process matters because servers and supporting equipment need to return to stable operating conditions before normal workloads can safely resume. In a large facility containing thousands of interconnected machines, recovering from a thermal event isn’t as simple as pressing a giant restart button. Engineers have to consider power distribution, cooling, networking, storage, and the condition of individual systems.
How the Outage Affected Other Services
AWS doesn’t only operate services under the Amazon name. Thousands of independent companies use AWS infrastructure to run their own websites, applications, financial platforms, APIs, and business systems. When infrastructure supporting those workloads becomes unavailable, customers can experience outages even though their own software hasn’t suddenly developed a bug. Coinbase was among the services affected during the 2026 incident, illustrating the domino effect that can occur when a major cloud provider experiences infrastructure problems. One physical facility can therefore create a much larger digital disruption because countless applications depend on the same underlying cloud environment.
2. Google Cloud: Cooling Problems During a Heatwave
Google Cloud has also experienced the difficult relationship between extreme temperatures and data center reliability. During the UK’s record-breaking heatwave in July 2022, Google temporarily shut down equipment at its London data center after cooling systems encountered problems under unusually high temperatures. The incident affected cloud infrastructure in the London region and demonstrated that even highly sophisticated facilities can face serious challenges when environmental conditions move far beyond what their cooling systems normally handle. The issue wasn’t necessarily that the servers themselves suddenly failed. Instead, the surrounding infrastructure responsible for keeping those servers at safe temperatures became the critical weakness. Once cooling capacity was compromised, shutting down some equipment became a necessary way to protect the hardware.
Google’s experience is especially relevant today because the amount of computing happening inside data centers continues to increase. Modern cloud facilities already handle massive workloads, while AI and other high-performance applications can place additional demands on processors, power systems, and cooling infrastructure. More computing generally means more electricity consumption and, ultimately, more heat that needs to be removed. The 2022 UK incident showed how extreme outdoor temperatures can expose limitations that might remain invisible during ordinary weather. It also demonstrated why cloud providers have to consider not only server reliability but the entire physical environment surrounding those servers.
Why Google Had to Shut Down Hardware
Shutting down hardware during a heatwave might sound like an extreme response, but it can actually be one of the safest decisions available to a data center operator. Servers are designed to operate within specific temperature ranges, and allowing them to continue running when cooling capacity is insufficient can result in instability, automatic thermal protection, or potentially permanent component damage. By deliberately powering down selected equipment, engineers can reduce the amount of heat being generated while protecting valuable hardware until normal cooling conditions return. For customers, that can mean temporary downtime, but a controlled shutdown is generally preferable to turning a cooling problem into a much larger hardware failure that takes significantly longer to repair.
Which Cloud Services Were Affected
The impact of a cooling problem depends heavily on which infrastructure is located inside the affected facility. During Google’s 2022 London incident, cloud infrastructure in the region was disrupted after equipment was shut down because of cooling problems caused by extreme temperatures. Google later experienced another heat-related cooling incident in Europe in July 2026, when a loss of utility power and cooling capacity led to equipment being shut down to protect it from extreme heat. Services including Google Cloud VMware Engine, Bare Metal Solution, and Google Cloud NetApp Volumes in the affected zone experienced disruption. The incident highlights an important point for businesses: a cloud provider can remain operational globally while a specific region or availability zone experiences a serious outage.
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3. Oracle Cloud: Extreme Temperatures Hit Its Infrastructure
Oracle Cloud Infrastructure also became caught up in the UK’s extreme heatwave in July 2022. Oracle reported an incident involving its UK South cloud region in London after cooling infrastructure encountered problems during unusually high temperatures. Some non-critical hardware had to be powered down because conditions inside the facility became too hot for normal operation. For customers, this meant that certain Oracle Cloud resources could become unavailable or experience disruption, including infrastructure related to computing, networking, and storage. Like the Google incident, Oracle’s experience showed that extreme heat can affect digital services without necessarily starting with a conventional server or software failure.
What’s particularly important about the Oracle incident is the role played by supporting infrastructure. A server doesn’t operate independently. It needs electricity, cooling, networking, physical security, storage connectivity, and numerous other systems working correctly around it. If one of those supporting systems becomes unreliable, the server may no longer be safe to operate. This makes data center resilience much more complicated than simply buying powerful hardware. Companies have to design entire facilities around keeping that hardware within safe conditions, and extreme weather can test every part of that design at once.
Cooling Systems Under Pressure
Extreme temperatures place additional demand on cooling equipment because the facility has to remove both the heat generated by computing hardware and the additional heat associated with the surrounding environment. During a severe heatwave, cooling systems can have less room to maintain the required temperature, particularly if components are already operating near their normal limits. If cooling capacity falls below what the facility needs, operators may have to reduce the amount of active hardware. That can mean shutting down selected servers or restricting certain workloads until conditions improve, turning a physical cooling limitation into a noticeable digital service disruption.
Why Hardware Was Shut Down
Oracle’s decision to power down non-critical hardware was essentially a protective measure. Continuing to operate equipment in an environment that is too hot can create much greater problems than a temporary outage, particularly if components begin failing unpredictably. A controlled shutdown allows engineers to reduce heat generation while maintaining as much service capacity as possible. It also gives technicians time to restore cooling infrastructure without simultaneously dealing with widespread hardware failures. For cloud customers, this may feel like an unexpected interruption, but from an infrastructure perspective, deliberately sacrificing some availability can prevent a much more serious and prolonged failure.
4. iiNet: Extreme Heat Disrupted Websites and Email
Australian internet provider iiNet experienced a heat-related data center outage in December 2021, during a period of extreme weather in Western Australia. The incident affected some of the company’s digital services, including its website and domain-based email services, after a problem occurred at its Osborne Park data center. What makes this case particularly interesting is that iiNet’s internet and mobile services continued operating despite the outage. In other words, the company wasn’t completely disconnected from its customers. Instead, specific services hosted through the affected data center became unavailable while other parts of its infrastructure continued functioning normally. This shows why a digital outage doesn’t always mean an entire company has gone offline.
The incident also demonstrates how easily users can overlook the physical infrastructure behind something as ordinary as an email account or company website. People often think of email as a service that simply exists online, but email servers still need physical locations, electricity, networking equipment, and cooling. When one of those facilities encounters a serious problem, customers can lose access even though their accounts and data haven’t necessarily disappeared. In iiNet’s case, the extreme heat contributed to a data center problem that affected specific services, while its broader connectivity network remained available.
What Happened at the Data Center
iiNet attributed the disruption to an issue at its Osborne Park data center during extreme weather conditions. The affected infrastructure included servers supporting the company’s website and domain email services, resulting in customers being unable to access those services normally. The incident began around Christmas Day and continued while technicians worked to resolve the underlying infrastructure problem. Because data centers contain many different systems serving different purposes, an incident can affect one group of services without necessarily taking every system offline. That distinction is important because it demonstrates how digital infrastructure is often divided into separate layers, even when customers experience everything through the same company.
Why Internet Services Continued Working
The fact that iiNet’s internet and mobile services continued working highlights the difference between connectivity infrastructure and the company’s own online services. Customers could still use iiNet’s network to access the wider internet even though iiNet’s website and domain email systems were experiencing an outage. Those services relied on different infrastructure and therefore weren’t necessarily exposed to the same failure. It’s a useful reminder that a company can have an operational network while some of its customer-facing digital platforms are unavailable, much like a physical store can still have electricity even when its website is temporarily offline.
5. F5 Distributed Cloud: Heat-Related Service Degradation
F5 Distributed Cloud experienced another example of how extreme heat can affect digital infrastructure in June 2026. During a European heatwave, a service provider’s data center encountered cooling constraints that reduced available capacity. The resulting disruption affected Global Log Receiver services, while some firewall, tunnel, and routing-related operations experienced delays. Unlike an outage where everything simply stops working at once, this incident demonstrated another form of heat-related disruption: a service can remain partially operational while available infrastructure becomes constrained. Users may notice delayed processing, reduced performance, or specific features becoming temporarily unavailable rather than seeing a complete service failure.
This type of incident is particularly important because modern digital infrastructure often depends on distributed systems. Services can use multiple locations and redirect traffic when one facility becomes unavailable. F5 was able to reroute traffic toward a nearby regional edge to reduce the impact, but rerouting couldn’t instantly restore every affected function. Some operations still experienced delays while infrastructure capacity was being restored. The incident therefore shows why redundancy is valuable but isn’t a magic shield against extreme weather. If several systems depend on the same physical region or supporting infrastructure, even a well-designed distributed network can experience reduced performance when one location loses capacity.
How Cooling Constraints Reduced Capacity
A data center doesn’t necessarily have to shut down completely for extreme heat to affect customers. If cooling systems can no longer safely support the facility’s full workload, operators may need to reduce the amount of infrastructure running at the same time. That creates a capacity problem: the service may technically remain online, but there are fewer resources available to process requests. This can lead to delays, slower operations, or partial service degradation. It’s similar to closing several lanes on a busy highway during an emergency. Traffic can still move, but there is suddenly less room for everyone, and congestion becomes much more likely.
How Traffic Rerouting Limited the Impact
Traffic rerouting can be extremely useful when a particular data center begins experiencing problems. Instead of sending every request toward an affected location, network systems can redirect traffic toward another facility or regional edge with available capacity. F5 used this type of approach during its 2026 incident to help limit the disruption. However, rerouting isn’t always perfect because another location may not have identical resources or enough spare capacity to handle everything immediately. Some services can therefore continue operating while others experience delays, which explains why customers may notice inconsistent performance during a major infrastructure incident.
What These Heat-Related Outages Have in Common
The AWS, Google Cloud, Oracle Cloud, iiNet, and F5 Distributed Cloud incidents may involve different companies, technologies, and circumstances, but they all point toward the same underlying weakness: digital services ultimately depend on physical infrastructure. A website may exist as lines of code, a cloud application may feel completely virtual, and an email account may seem to live somewhere in cyberspace, but all of them eventually rely on machines sitting inside physical facilities. Those machines generate heat, require electricity, depend on cooling equipment, and need stable networking connections. When extreme temperatures put pressure on those physical systems, digital services can become unavailable just as quickly as they would during a conventional hardware or software failure.
Another important similarity is that extreme heat doesn’t always have to directly destroy a server to cause an outage. It can create a chain reaction involving cooling capacity, power distribution, workload management, and hardware protection. Operators may deliberately shut down equipment before permanent damage occurs, reduce available capacity, or reroute traffic to another location. From the customer’s perspective, those actions can look like a conventional service outage, even though engineers may actually be preventing an even larger disaster behind the scenes.
Cooling Is Critical Digital Infrastructure
Cooling should be considered just as important as servers and networking equipment when discussing digital reliability. A powerful processor is useless if the facility cannot keep it within a safe operating temperature, while an enormous server room cannot function reliably if its cooling infrastructure is unable to remove the heat produced by thousands of machines. This is why modern data centers continuously monitor temperature, airflow, humidity, cooling equipment, and energy consumption. As computing workloads become more demanding, cooling is becoming an increasingly important part of the infrastructure equation rather than simply a background facility function.
How Power and Temperature Problems Can Combine
Heat and electricity can also create a dangerous feedback loop. Extreme temperatures increase demand for cooling, while cooling systems themselves consume substantial amounts of electricity. If power infrastructure experiences problems during a period when cooling demand is already unusually high, the facility can lose both the ability to power equipment and the ability to keep that equipment cool. Temperatures can then rise rapidly, forcing operators to shut down hardware. This combination makes heat-related incidents particularly difficult because restoring digital services may require engineers to stabilize several interconnected systems rather than fixing one isolated component.
Could Extreme Heat Cause More Digital Outages?
The possibility deserves serious attention as data centers become larger, denser, and more energy-intensive. Cloud computing continues expanding, while artificial intelligence is driving demand for high-performance processors that can consume substantial amounts of electricity and generate significant heat. Modern AI servers can place much greater thermal demands on facilities than traditional computing workloads, particularly when large numbers of GPUs or specialized accelerators operate simultaneously. That means data center cooling systems are facing a new challenge: they have to handle not only more machines but also increasingly powerful machines packed into smaller areas.
At the same time, extreme weather can place additional pressure on the surrounding infrastructure. A data center might have excellent internal cooling equipment, but it still depends on electricity, water in some cooling systems, telecommunications connections, and other external resources. A sufficiently severe heatwave can affect several of these systems at once. That doesn’t mean every hot day will produce an internet outage, but it does mean extreme temperatures are becoming a more important factor in planning where data centers are built and how much redundancy they need.
The Growing Heat Problem in AI Data Centers
AI workloads are changing the cooling requirements of data centers because high-performance GPUs and other accelerators can generate considerable amounts of heat while processing complex workloads. As companies deploy larger AI clusters, traditional air cooling can become increasingly difficult to use efficiently at very high computing densities. This has encouraged the development and adoption of technologies such as direct-to-chip liquid cooling and other advanced thermal-management approaches. The objective is straightforward: remove heat more efficiently before it becomes a threat to hardware reliability.
Why Future Data Centers Need Better Cooling
Future data centers will need cooling systems capable of handling both higher computing densities and more extreme environmental conditions. Better cooling doesn’t simply mean installing larger air conditioners. Operators may need smarter airflow management, liquid cooling, improved heat rejection systems, more sophisticated temperature monitoring, and infrastructure designed specifically for local climate conditions. Data centers may also increasingly be located in areas where electricity, water availability, and environmental conditions provide better long-term resilience. As digital services become more essential, the ability to keep servers operating safely during extreme weather could become just as important as processing power or network speed.
How Companies Can Prepare for Extreme Heat
Companies that depend heavily on cloud platforms and third-party digital infrastructure can’t completely prevent heat-related outages, but they can reduce how much damage one causes. The first step is understanding that availability isn’t guaranteed simply because a service is hosted by a major cloud provider. Businesses should identify which regions, availability zones, databases, storage systems, and network services their applications depend on, then determine what would happen if one of those components suddenly became unavailable. A carefully designed disaster recovery strategy can make the difference between a short interruption and a prolonged outage that affects customers, employees, and revenue.
Businesses should also regularly test their recovery plans rather than assuming that backups and redundancy will work automatically. A backup that has never been restored is more of a hope than a recovery strategy. Companies can run controlled failure tests, maintain alternative infrastructure, monitor provider status information, and establish clear procedures for moving workloads when conditions become unsafe. While no architecture can eliminate every possible failure, spreading critical services across multiple locations can prevent one overheated facility from taking down an entire application.
Geographic Redundancy
Geographic redundancy is one of the most effective ways to reduce the impact of a localized data center problem. Instead of keeping every critical workload in a single region, companies can distribute applications and data across multiple geographically separated facilities when their architecture and budget allow it. If one location experiences a heatwave, cooling failure, power disruption, or other infrastructure problem, traffic can potentially be redirected toward another region. This approach does introduce additional complexity and cost, but for businesses that depend on continuous availability, having a second location can provide an important safety net when the first one suddenly becomes unavailable.
Temperature Monitoring and Smarter Cooling
Data center operators can also improve resilience through continuous environmental monitoring and smarter cooling management. Temperature sensors, airflow monitoring, predictive analytics, automated alerts, and intelligent workload management can help engineers identify dangerous conditions before they develop into major failures. Advanced cooling technologies can further reduce the amount of energy required to remove heat from high-density computing environments. The key is to treat temperature as an operational metric rather than simply a facility-management concern. If engineers know that a particular area is becoming dangerously hot, they can potentially move workloads or reduce capacity before equipment reaches its thermal limits.
Conclusion
The five examples covered in this article show that extreme heat can have a surprisingly direct effect on the digital services people rely on every day. AWS experienced a disruption associated with overheating and infrastructure problems in Northern Virginia, while Google Cloud and Oracle Cloud faced cooling-related incidents during extreme temperatures. Australian internet provider iiNet experienced a data center problem that affected its website and email services, and F5 Distributed Cloud encountered service degradation associated with cooling constraints during a European heatwave. Although the circumstances differed, each incident revealed the same basic reality: digital services still depend on physical infrastructure.
The phrase “the cloud” can make modern computing sound almost weightless, but there is nothing weightless about the infrastructure behind it. Servers consume electricity, processors generate heat, cooling systems remove that heat, and physical buildings have to protect everything from increasingly challenging environmental conditions. When extreme temperatures push one of those systems beyond its limits, the effects can move quickly from a data center floor to the screens of users thousands of miles away.
The challenge could become more significant as artificial intelligence and high-performance computing continue increasing the amount of processing power concentrated inside data centers. More powerful hardware creates more demanding thermal-management requirements, while extreme weather can simultaneously make cooling more difficult. That combination means data center operators will need to think beyond traditional reliability strategies. Advanced cooling, geographic redundancy, stronger power infrastructure, intelligent monitoring, and climate-aware facility design will all play increasingly important roles.
For everyday users, the most important takeaway is simple: the next time a major website or online service suddenly stops working during a brutal heatwave, don’t assume the problem must be a software bug. Somewhere behind that error message could be a cooling system working overtime, a server being deliberately shut down, or an entire data center trying to keep its hardware from overheating. The internet may feel virtual, but keeping it alive is an intensely physical job.
FAQs
1. Can extreme heat really shut down a data center?
Yes. Extreme heat can overwhelm cooling systems, increase pressure on power infrastructure, or create conditions where servers can no longer operate safely. Data center operators may respond by reducing workloads or shutting down selected hardware to prevent permanent damage. Even when the equipment itself isn’t damaged, the protective shutdown can temporarily make websites, cloud applications, databases, or other digital services unavailable.
2. Which digital services have experienced heat-related outages?
Several major technology and infrastructure providers have experienced incidents involving extreme heat or cooling problems. AWS experienced an overheating-related disruption in Northern Virginia in 2026, while Google Cloud and Oracle Cloud experienced cooling-related disruptions during the UK’s extreme heatwave in 2022. iiNet also experienced a data center outage affecting website and email services during extreme weather in Australia, while F5 Distributed Cloud experienced service degradation associated with cooling constraints during a European heatwave.
3. Can extreme heat affect home internet connections?
It can, although the cause may be different from a data center outage. Extreme temperatures can put stress on outdoor telecommunications equipment, power infrastructure, network cabinets, fiber equipment, and other components. However, your home connection can remain perfectly healthy while a particular website or online application is unavailable because its own servers are experiencing a heat-related problem. In that situation, restarting your router won’t magically fix the problem because the failure is happening somewhere else on the internet.
4. Why do data centers need so much cooling?
Servers and other electronic equipment generate heat whenever they consume electricity and perform computing tasks. Large data centers can contain thousands of machines operating continuously, creating an enormous amount of heat that must be removed. Without adequate cooling, components can become unstable, reduce their performance, or shut themselves down. As modern computing becomes more powerful and server densities increase, cooling becomes an even more important part of maintaining reliable digital services.
5. Will heat-related digital outages become more common?
They could become a bigger concern as data centers handle increasingly demanding workloads and extreme temperatures place additional pressure on infrastructure. However, that doesn’t mean every future heatwave will cause widespread internet outages. Cloud providers and data center operators are investing in advanced cooling, better monitoring, redundant infrastructure, and improved facility design to reduce these risks. The bigger change is that extreme heat is increasingly being treated as a serious infrastructure consideration rather than simply an unusual weather inconvenience.