This Tuesday, we cover: new report on water quality worldwide; Yemen envoy briefs the Security Council on Aden; intensifying clashes in southern Libya; UNICEF appeals for increased aid for Venezuela youngsters; and UN negotiations continue over a new ocean protection agreement.  

While the world’s oceans contain some 200,000 identified living species, the actual numbers could reach the millions ­­– all exposed to the dangers of climate change, pollution and over-exploitation. To stem these threats, the United Nations is meeting to negotiate a treaty that would protect three-quarters of the earth’s surface by 2030.