世界银行：2026年运动中的水分：将绿色水纳入跨界水治理和发展融资-跨界水从业者的指导说明（英文版）

Green water, defined as soil moisture in the root zone and land based evapotranspiration, represents one of the most abundant freshwater sources on Earth, yet remains largely overlooked in transboundary water governance frameworks. This note examines the implications of green water for water security, economic development, and resilience, drawing on recent scientific advances and a review of existing governance and regulatory frameworks. It finds that current transboundary arrangements focus