The World Health Organization is pressing European and Western health ministries to treat extreme heat as a standing public health emergency, not a seasonal nuisance. On July 2, 2026, the message was blunt: summer heat must be planned for with the same institutional seriousness used for severe winter flu seasons.
[who](https://www.who.int/europe/activities/planning-heat-health-action)
A new public health mindset
We have spent decades building systems for winter pressure, from flu surveillance to hospital surge planning and public warning campaigns. WHO says heat now needs that same fixed place in government planning, because the danger is no longer rare, local, or manageable through ad hoc responses.
[who](https://www.who.int/europe/publications/i/item/9789289062930)
The agency’s latest guidance frames heat health action plans as a core public health tool, one that links governance, early warning, risk communication, health system readiness, and follow up review into a single operating system. That shift matters because the threat is not only scorching afternoons. It is the slow accumulation of strain on bodies, hospitals, transport workers, older adults, outdoor laborers, and families who lack cooling, shade, or safe nighttime relief.
[who](https://www.who.int/europe/news/item/30-06-2026-statement—get-prepared–current-european-region-heatwaves-are-a-dress-rehearsal)
Why WHO is sounding the alarm now
WHO/Europe tied the warning to recent heatwaves that have already pushed emergency rooms, ambulance services, and mortality monitoring systems to alarming levels across the region. In its June statement, the agency said heat action plans, early warnings, cooling spaces, outreach to vulnerable people, and community checks are not bureaucratic extras; they are immediate life saving measures.
[who](https://www.who.int/europe/news/item/30-06-2026-statement—get-prepared–current-european-region-heatwaves-are-a-dress-rehearsal)
The agency also said Europe lost 200,000 people to heat over four years, with nearly all of those deaths considered preventable. That figure helps explain the urgency behind the new guidance: if the scale of harm is this large, then waiting for another heatwave to expose gaps is no longer acceptable.
[who](https://www.who.int/europe/news/item/11-06-2026-statement—europe-lost-200-000-people-to-heat-in-4-years-yet-nearly-all-of-them-were-preventable)
What the guidance asks governments to do
WHO’s updated framework calls on countries, regions, and cities to develop, implement, and improve heat health action plans with clear leadership and reliable funding. The guidance is built around eight core elements, which together create a structured response before, during, and after extreme heat.
[who](https://www.who.int/europe/activities/planning-heat-health-action)
Those elements include governance, warning systems, identification of at risk populations, public communication, health system resilience, reducing exposure, heat health surveillance, and evaluation after each season. In practice, that means ministries should not simply issue warnings when temperatures spike. They should know who will act, when they will act, what resources they will use, and how they will judge whether the plan worked.
[who](https://www.who.int/europe/publications/i/item/9789289062930)
What makes a strong plan
A strong plan is measurable, accountable, and easy to activate. It links weather alerts to specific actions, such as opening cooling centers, checking on isolated residents, adjusting hospital staffing, and warning schools and care homes before dangerous temperatures peak.
[who](https://www.who.int/europe/activities/planning-heat-health-action)
WHO also stresses that plans must be adapted to local risks, because what works in a shaded northern city may not fit a dense urban district in southern Europe or a region where many homes have limited cooling.
[who](https://www.who.int/news-room/fact-sheets/detail/climate-change-heat-and-health)
Health systems under pressure
Heat does not arrive like a single dramatic disaster. It settles in, day after day, raising the risk of dehydration, kidney stress, heart strain, medication complications, and worsening chronic illness. Hospitals then feel the pressure not only from heat illness but from the broader rise in emergency demand that comes when the most vulnerable people cannot recover at home.
[who](https://www.who.int/news-room/fact-sheets/detail/climate-change-heat-and-health)
WHO is urging health ministries to plan as if summer heat were a recurring operational season, much like winter flu. That comparison is useful because both threats are predictable, both are preventable to a degree, and both require governments to coordinate communications, logistics, staffing, and public behavior well before the peak arrives.
[who](https://www.who.int/europe/news/item/11-06-2026-statement—europe-lost-200-000-people-to-heat-in-4-years-yet-nearly-all-of-them-were-preventable)
Who faces the greatest risk
Older adults, people with chronic disease, outdoor workers, children, and those living alone are among the groups most exposed to heat related harm. People without reliable cooling or with housing that traps heat face a particular burden, especially when nights remain hot and the body never gets a full chance to recover.
[who](https://www.who.int/europe/news/item/30-06-2026-statement—get-prepared–current-european-region-heatwaves-are-a-dress-rehearsal)
WHO’s guidance also points to the need for targeted protection in care facilities, hospitals, schools, and high exposure workplaces. That broad approach matters because vulnerability is rarely just medical; it is social, economic, and structural. A safe heat policy must therefore reach beyond clinics and into housing, urban design, labor rules, and community outreach.
[who](https://www.who.int/publications/i/item/9789289071918)
Europe as a warning and a model
WHO/Europe has placed the region at the center of this push because it is already seeing the consequences of hotter summers and longer heat events. The agency says more than half of countries in the European Region still do not have a comprehensive heat health action plan, which leaves large parts of the population exposed to avoidable harm.
[who](https://www.who.int/europe/news/item/11-06-2026-statement—europe-lost-200-000-people-to-heat-in-4-years-yet-nearly-all-of-them-were-preventable)
At the same time, WHO’s guidance is not limited to Europe in practice. The organization says the framework can be adapted to other contexts, meaning the model is relevant for any government facing recurring extreme heat and strained health systems.
[who](https://www.who.int/europe/publications/i/item/9789289062930)
What ordinary people can expect
For the public, a serious heat strategy should feel concrete, not abstract. It should mean earlier alerts, clearer advice, better access to shade and cool spaces, and more visible outreach to neighbors who may not ask for help.
[who](https://www.who.int/news-room/fact-sheets/detail/climate-change-heat-and-health)
WHO’s public advice is practical: keep homes cool where possible, drink water before feeling thirsty, avoid the hottest part of the day, and check on older relatives and neighbors. Those actions sound simple, but they become lifesaving when temperatures climb and bodies start to fail quietly under sustained stress.
[who](https://www.who.int/europe/news/item/30-06-2026-statement—get-prepared–current-european-region-heatwaves-are-a-dress-rehearsal)
What ministries should do now
Governments should treat heat plans as standing infrastructure, not emergency paperwork pulled out only during record setting summers. That means annual review, tested alert triggers, clear agency roles, and public messaging that people can trust because it is repeated, visible, and specific.
[who](https://www.who.int/europe/activities/planning-heat-health-action)
It also means investing in longer term protection, from better building design and cooler public spaces to stronger surveillance systems that can detect heat related illness in near real time. The goal is not to wait until ambulance records spike or hospital wards overflow. The goal is to prevent those signals from becoming the norm.
[who](https://www.who.int/europe/publications/i/item/9789289062930)
Why this warning feels different
This is not the usual seasonal health reminder. WHO is effectively saying that the era of treating summer heat as a temporary inconvenience is over, and the cost of delay is measured in lives.
[who](https://www.who.int/europe/news/item/11-06-2026-statement—europe-lost-200-000-people-to-heat-in-4-years-yet-nearly-all-of-them-were-preventable)
That is why the language of winter flu planning matters so much. Flu preparedness taught governments to respect the predictable return of a dangerous season. WHO now wants the same discipline for extreme heat, because the pattern is just as predictable and the toll is already visible.
[who](https://www.who.int/europe/activities/planning-heat-health-action)
For official guidance, WHO’s heat health planning resources and its fact sheet on heat and health provide the clearest public framework for action. The message is unmistakable: if governments can plan for winter, they can and must plan for summer too.
[who](https://www.who.int/news-room/fact-sheets/detail/climate-change-heat-and-health)
