The heat is expected to harm healthy people, not just vulnerable groups.
No coração do verão europeu que ainda não chegou no calendário, o sul do continente curvou-se diante de um calor que não respeita estações nem fronteiras. Itália, Portugal, França e Reino Unido registraram temperaturas históricas em maio de 2026, com mortes, hospitalizações e escolas fechadas como testemunhos silenciosos de um clima em transformação. O que os cientistas há anos descrevem como consequência inevitável das mudanças climáticas provocadas pelo homem ganhou, esta semana, rosto e endereço. A Europa não enfrenta apenas uma onda de calor — enfrenta um espelho do futuro que se antecipou.
- Itália declarou alerta vermelho em Roma e outras quatro cidades, reconhecendo que o calor ameaça não apenas os vulneráveis, mas adultos saudáveis — um limiar raramente cruzado pelas autoridades.
- Portugal quebrou seu próprio recorde de temperatura para maio com 40,3°C, e a França registrou 37,8°C, marcas que reescrevem a história climática de países acostumados ao calor mediterrâneo.
- Mortes foram registradas na França e no Reino Unido, crianças desmaiaram em escolas superaquecidas, e o tenista número um do mundo abandonou Roland Garros após passar mal — o calor invadiu cada camada da vida cotidiana.
- Turistas reorganizaram roteiros, cidades irrigaram quadras de tênis entre sets, e ministros da saúde monitoraram hospitais lotados enquanto todos aguardavam a prometida queda de temperaturas na semana seguinte.
- Economistas alertaram que ondas de calor desta magnitude corroem o crescimento europeu e as receitas fiscais, transformando uma crise climática em uma crise também orçamentária e social.
Esta semana, o calor chegou ao sul da Europa com a força de uma emergência de saúde pública. A Itália emitiu alerta vermelho para Roma, Florença, Bolonha, Turim e Brescia — o nível máximo de risco, capaz de prejudicar até adultos saudáveis. Em Portugal, a cidade de Mora registrou 40,3°C, superando o recorde nacional de maio estabelecido em 2001. A França não ficou atrás: Angoulême-La Couronne marcou 37,8°C, a temperatura mais alta já medida no país em maio.
O custo humano se tornou rapidamente visível. França e Reino Unido reportaram múltiplas mortes associadas ao calor extremo. Em Portugal, o ministro da saúde alertou para o aumento expressivo de internações hospitalares. No sudoeste da França, uma escola primária fechou as portas depois que os corredores atingiram 53°C, e uma criança perdeu a consciência. Em Paris, Roland Garros foi palco de um episódio incomum: Jannik Sinner, favorito ao título, retirou-se do torneio após passar mal com o calor.
Turistas e moradores improvisaram estratégias de sobrevivência. Uma visitante espanhola diante do Coliseu resumiu a experiência com simplicidade: chapéu, sombra e água constante. Um americano em Roma reorganizou completamente sua agenda, reservando os horários mais quentes para museus climatizados. Paris caminhava para registrar oito dias consecutivos acima de 30°C em maio — algo sem precedentes.
A Espanha emitiu alertas de calor para o nordeste e o norte do país, com previsão de 37°C. Cientistas reafirmaram que as mudanças climáticas causadas pelo homem intensificam exatamente esse tipo de evento extremo. A consultoria Allianz Trade publicou estudo alertando que ondas de calor desta magnitude reduzem o crescimento econômico e as receitas fiscais europeias. As temperaturas devem cair na semana que vem — mas o registro já está feito.
Across southern Europe this week, the heat arrived with the force of a public health emergency. Italy's government declared its highest alert level—red alert—for Rome and four other cities: Florence, Bologna, Turin, and Brescia. The announcement came Thursday, signaling what officials described as a situation capable of harming not just the elderly, the very young, and the chronically ill, but healthy adults too. In Portugal, meteorologists recorded 40.3 degrees Celsius in the town of Mora, shattering the country's previous May temperature record of 40 degrees, set a quarter-century earlier in 2001. France pushed into record territory as well, with readings of 37.8 degrees in Angoulême-La Couronne in the southwest—the highest May temperature the country had ever measured.
The human toll was already visible. France and the United Kingdom reported multiple deaths that authorities linked directly or indirectly to the extreme heat. Portugal's health minister noted a sharp rise in hospital admissions tied to the temperatures. In the southwest of France, an elementary school closed through Friday afternoon after hallway temperatures reached 53 degrees on Tuesday, causing some students to become ill. One child lost consciousness and vomited, according to a regional official. The heat was severe enough to disrupt even major sporting events: at Roland Garros in Paris, Jannik Sinner, the tournament favorite, withdrew from competition after becoming unwell, losing in the second round to Argentina's Juan Manuel Cerúndolo.
Tourists and residents adapted as best they could. A Spanish visitor standing outside the Colosseum in Rome, where the thermometer read 32 degrees, described the experience simply: "We're sweating a lot." She and a companion emphasized the essentials—drinking constantly, staying in shade whenever possible, never leaving home without a hat. An American tourist in Rome had restructured his entire day around the heat: waking early to accomplish tasks before the worst of it, taking frequent breaks, spending the hottest hours inside museums and other air-conditioned spaces. In Paris, the city was on track to experience an unprecedented eight consecutive days above 30 degrees in May alone. The tennis grounds at Roland Garros required constant intervention—staff flooded the clay courts with water after each set and drenched them completely at day's end to replenish moisture in the different layers of the playing surface.
Spain's meteorological agency issued heat alerts for Friday across parts of the northeast and north, where temperatures were expected to reach 37 degrees. Officials characterized the readings as extraordinarily high for this time of year, more typical of summer proper, though forecasters predicted a decline in the coming week. Scientists have long warned that human-caused climate change intensifies extreme weather events—heat waves, droughts, floods—and this week's conditions offered a stark illustration of that principle. Beyond the immediate human suffering, economists sounded a different alarm: a study released Thursday by Allianz Trade warned that heat waves of this intensity carry substantial economic costs, reducing growth and tax revenue across European economies and straining public budgets.
Citações Notáveis
A situation of emergency capable of causing harmful effects on the health of healthy and active people, not just vulnerable groups like the elderly, young children, and those with chronic diseases.— Italian Ministry of Health, explaining the red alert classification
We're sweating very much. We drink a lot of water and stay in the shade when possible. And hats—hats are essential.— Spanish tourists in Rome adapting to the heat
A Conversa do Hearth Outra perspectiva sobre a história
Why does Italy's red alert matter more than just saying it's hot?
Because red alert means the heat is expected to harm healthy people, not just vulnerable groups. It's the government saying this isn't a normal summer day—it's a public health emergency.
Portugal broke a May record by less than half a degree from 2001. Does that small difference actually mean something?
It means the baseline itself is shifting. That 2001 record stood for 25 years. Now it's gone in a single day. The pattern matters more than the decimal.
A student fainting in a school hallway—is that the heat wave, or is that a failure of infrastructure?
Both. The heat is real and dangerous. But a hallway reaching 53 degrees suggests a building that was never designed for this. Climate change is exposing what we built for a cooler world.
Why does Roland Garros flood its courts with water every day?
Clay courts lose moisture in extreme heat, which changes how the ball plays and damages the surface. The water isn't comfort—it's maintenance. Even the sport has to adapt.
The economic warning at the end—how does a heat wave reduce tax revenue?
When economies slow down, people spend less, businesses earn less, governments collect less tax. Heat waves disrupt work, close schools, send people to hospitals. The costs ripple outward.
Is next week's predicted temperature drop the end of the story?
It's a pause, not an ending. The underlying trend—human-caused climate change intensifying these events—doesn't reverse because one week cools down.