Water security and climate change

Water security is eroding around the world as climate change and nature loss disrupt rainfall and melt glaciers, and as populations grow, leading to growing demand for food. A first-in-nearly-five-decades UN Water Conference from 22-24 March aims to search out solutions. What can be done to shore up water security and prevent problems that range from rising hunger and health threats to falling hydropower production and losses of economic and social stability?