IN THE EASTERN MEDITERRANEAN, THE SEAbed drops to depths of more than 17,000 feet, forming the most stunning geological feature of the Mediterranean basin: the Hellenic Trench, an approximately 400-mile-long, crescent-shaped abyss stretching from western Greece to Turkey, where powerful earthquakes are born and rare marine creatures find refuge. These days, the western edge of the Hellenic Trench represents a stark divide between two opposing worlds: In the west, Italy, Croatia, France, and Spain have banned or are in the process of banning new offshore hydrocarbon extraction as a way of safeguarding the fragile Mediterranean environment and combating climate change. In the east, Greece, Cyprus, and Turkey are locked in a growing geopolitical competition, staking conflicting claims to marine areas containing possible hydrocarbon reserves while warships defend vessels prospecting for…
