Olive Groves, Ancient Guardians of the Mediterranean 25 November 2020 Jack Coulton and Silvia Ceriani November 26 is WORLD OLIVE TREE DAY, as proclaimed by UNESCO. For the occasion, Slow Olives is organizing a conference dedicated to the role of olive cultivation for the Mediterranean landscape. An immense olive grove, extending across millions of hectares has been one of the distinctive characteristics of the Mediterranean for Millenia. The reason for the …