Puglia's Olive Harvest Opens Under a Harder Sun

The New York Times reported this week that Italy's prisons, already overcrowded, overheated through the summer, with inmates sleeping on concrete cell floors and even guards complaining as temperatures approached 90 degrees Fahrenheit. The dispatch is the latest foreign-press reminder that Italy's climate stress is no longer a seasonal story about beaches and wildfires; it has moved indoors, into institutions built for a cooler century.

For Puglia, the same reading applies to the land. The region carries roughly a third of Italy's olive trees and supplies a large share of the country's extra-virgin oil, a product whose price and reputation are set in international markets and watched closely by the foreign food and agriculture press. A hot, dry growing season compresses the harvest window and cuts yields, and growers here have spent a decade already managing the bacterial disease Xylella fastidiosa, which has killed millions of trees in the Salento.

The two pressures compound. A grove weakened by disease and drought carries less reserve into a heat-stressed year, and the olives that do ripen arrive earlier and with less oil per fruit. That is a problem not only for farm incomes but for the mills, cooperatives and bottlers that cluster around Bari and the Salento, and for the export trade that foreign buyers track through harvest estimates each autumn.