【明報專訊】Ten years ago, the United Nations set a series of goals for the world to be achieved by 2015. These were called the Millennium Development Goals, and one of them involved making basic water sanitation (衛生設備) available to more people, particularly in developing nations. This summer, in preparation for a UN summit meeting in New York next week, the charity Wateraid has been running a campaign to remind world leaders that they are behind on that goal.