Santorini's famed vineyards face a crisis as extreme heat and drought decimate ancient vines, driving up grape prices and slashing wine production. Winemakers are now pioneering innovative solutions like wastewater irrigation and novel planting techniques to adapt to the harsh new climate. This struggle highlights a broader challenge for Greece and the Mediterranean, where changing weather patterns threaten traditional agriculture and the unique character of its wines.

Santorini's famed vineyards face a crisis as extreme heat and drought decimate ancient vines, driving up grape prices and slashing wine production. Winemakers are now pioneering…

In a vineyard on the Greek island of Santorini, winemaker Yiannis Boutaris gestures to a dried-up ‘kouloura’ vine trained into the shape of a basket to protect the grapes from…