Indonesia says its giant sea wall will stop flooding. Is this climate adaptation or a costly folly?

Indonesia plans to build a "giant sea wall," more than 500 kilometers long, to defend Java's north coast from rising sea levels.
IEEE

Sustainable Urban Flood Mitigation Using Smart Sensors and Autonomous Drainage Mechanism

Abstract: Urban flooding remains a critical challenge, exacerbated by inadequate drainage systems and the lack of timely early warning mechanisms. This paper presents a sustainable urban flood ...