SCIENCE
Naples Among Italy's Cities Most Changed by 50 Years of Warming, Report Finds
A new study comparing half a century of data ranks Italian cities by climate impact, and the findings surprised the scientists who compiled them
Rosaria Esposito520 wordsEdition №126Friday, 25 September 2026 — Edition № 126
Naples is among the Italian cities most altered by five decades of climate change, according to a new report comparing 50 years of temperature and weather data across the country, as reported by The Local Italy. The study, which set out to rank which Italian cities have been most and least affected, produced findings that surprised even the scientists who compiled it. The headline figure circulating in the coverage — a rise of 2.9C — frames the scale of the shift in the cities examined, among them Rome, Milan and Naples.
The report's authors did not expect the pattern they found, according to The Local Italy's account, which is itself a notable result: the cities that have changed most are not always the ones the public assumes. Naples sits on a Mediterranean coast where the summer heat and the humidity that comes with it are already a fact of daily life, and a measurable further rise lands on a city whose infrastructure was not built for it.
For Campania the practical stakes are concrete. A hotter Naples means more strain on an ageing building stock, on the port and on the public spaces — the piazzas, the seafront at Mergellina, the dense historic centre — where the city's life is conducted outdoors for much of the year. The same heat that lengthens the tourist season also raises the cost of living through it, from cooling to water to the electricity bill.
