Agence France-Presse: Surging population growth, climate change, reckless irrigation and chronic waste are placing the world’s water supplies at threat, a landmark UN report said on Thursday. Compiled by 24 UN agencies, the 348-page document gave a grim assessment of the state of the planet’s freshwater, especially in developing countries, and described the outlook for coming generations as deeply worrying. Water is part of the complex web of factors that determine prosperity and stability, it …