A growing world population, global warming, growing fossil fuel use and greenhouse gas emissions and ongoing, growing disparities in the distribution of wealth and income and business-as-usual political economy – all threaten national, regional and international efforts to assure all members of society fair access to sustainable water resources. Marking World Water Day 2013, UN-Water's working definition of water security will facilitate and foster development of holistic, integrated initiatives at the local, national, regional and international levels.
