Increasing water scarcity can fuel conflicts around the world, the United Nations has warned. Globally, 2.2 billion people were without access to safely managed drinking water and 3.5 billion lack access to safely managed sanitation, according to report by the UN Nations Educational, Scientific and Cultural Organization UNESCO released for World Water Day. One in two people around the world suffered from water scarcity for several months of the year, UNESCO Director-General Audrey Azoulay said. “And in some parts of the world, this water scarcity has become the rule, rather than the exception,…