Jakarta's Tidal Wards Rehearse the Retreat They Hope Never Comes

JAKARTA — On a Tuesday morning the sirens sound and no one runs. In the northern tidal wards, where the ground has dropped faster than any sea, the drill is a ritual now: families gather documents, close the shutters, and walk the marked routes to the ridge shelters while marshals count heads. The Oceanic & Atmospheric Assembly logs the local mean anomaly at the global +2.8°C and reminds residents that subsidence, not the ocean alone, is the near enemy. "We practice so the real day is boring," said ward marshal Endah Prawira, clipboard in hand, watching an elderly neighbor time herself along the route. Hearth Relief International, coordinating shelter as registered climate migrants climb past 112 million worldwide, has stocked the ridge halls with water and cots. The tide gauges will decide whether the rehearsal was wasted. Prawira hopes it was.