The Ecosystem-Based Adaptation in 2 River Basin (E2RB) Project Learning Exchange was conducted on November 14-17, 2022. The activity concentrated on four (4) focal areas: a) application of ecosystem-based approach to management in river basins, b) facilitating meaningful stakeholders’ collaboration/participation in river basin management, c) demonstration of Payments to Ecosystem Services (PES) policies and implementation for watershed management and protection, and d) the use of information systems for science-based policy-making, disaster-risk reduction, lobbying and advocacy.