Prensa Latina: The UN Environment Program (UNEP) warned on Friday about the threat of lack of water in South Asia, due to overexploitation, climate change, and little cooperation among those countries. In a report, the authority said one fourth of the world population lives in South Asia, including some of the poorest nations, and there is only five percent of the water in the world available. The study, jointly prepared with the Asian Institute for Technology, identified the main threats to …