Heat Wave Puts Italy’s Parmigiano Reggiano Under Pressure

Reggio Emilia – 16 July 2026: Parmigiano Reggiano, perhaps Italy’s most famous piece of edible cultural history, is experiencing a summer that is literally taking its breath away. In Emilia-Romagna, cows, pastures and fodder-growing areas are suffering from persistent heat and a lack of water. What appears to visitors as the golden landscape of the Food Valley has long become a tense working environment for many farms.

The cheese is far more than a product with protected designation of origin status. Its character is created from the milk of cows whose feed must come from the precisely defined production area. When grasses and alfalfa wither in the fields or can be irrigated only with great effort, an entire chain is destabilized: from feed and milk to the wheel, which matures for at least twelve months.

The heat is especially stressful for the animals. Barns are ventilated around the clock, fans run longer, and water must be available. Under heat stress, cows often produce less milk; at the same time, farms face rising costs for electricity, cooling and purchased feed. Summer warmth thus becomes an economic issue long before the cheese develops its distinctive aroma in the aging cellar.

The water situation along the Po is also heightening concerns. The river and its tributaries are a key reservoir for agriculture on the northern Italian plain. At the end of June, the environmental agency of the Piedmont region had already pointed to low flows, high temperatures and below-average surface-water availability. Particularly careful monitoring of the hydrological situation would be needed in the coming weeks.

Current weather data confirm the picture of an unusually demanding July. Italy’s Civil Protection Department reported very high maximum temperatures in central and southern Italy on 16 July, while the Po Valley had also heated up sharply in the preceding days. Thunderstorms in the north may bring local relief, but they cannot replace reliable, sustained rainfall for soils and fodder crops.

The fact that Parmigiano Reggiano is affected makes the crisis culturally visible. This hard cheese, whose production has been tied to landscape, craftsmanship and patience for centuries, is considered a culinary emblem of Italy. Its wheels rest for a long time in cool warehouses, but their beginning lies in the barn and in the field. This summer, it is there that the question of how resilient a tradition can remain in a warming climate will be decided.

Producers are responding with technology, additional cooling and closer attention to animal care. This offers short-term protection, but it is no simple answer to dry soils and extreme temperatures. Parmesan will not suddenly disappear. But the heat shows how vulnerable even those specialties are that have until now been regarded as almost self-evident in Europe’s pantry.