Sustainable management of water resources (including provision of safe and reliable supplies for drinking water and irrigation, adequate sanitation, protection of aquatic ecosystems, and flood protection) poses enormous challenges in many parts of the world.
A xestión sustentable dos recursos hídricos (como a provisión de subministración segura e fiable de auga potable e para regar, uso sanitarios, protección de ecosistemas acuáticos, e protección ante inundacións) presenta enormes retos en moitas partes do mundo.