Elsevier, Advances in Chemical Pollution, Environmental Management and Protection, Volume 15, 2026, Pages 23-48This chapter supports Goals 6, 2, and 13 by discussing how the Apatani's sophisticated water management system directly addresses water security through innovative irrigation channels, bamboo pipes, and water harvesting structures; demonstrating how the Aji-ngyii paddy-cum-fish cultivation system maximizes food security while maintaining ecological balance; and showing how the system exemplifies climate-resilient water management through adaptive strategies that address environmental challenges using predictive approaches and risk mitigation.