Reuters: Governments in water 'hotspots' need to scale up cooperation over shared water resources to avoid 'drastic' consequences such as international conflicts, the United Nations University (UNU) said on Friday. The importance of water cooperation in sub-Saharan Africa, Asia and the Middle East, where hundreds of millions of people depend on shared resources, is growing as climate change increasingly affects water availability, UNU said in a report. "Water challenges are going to increase as a result...