World Resources Institute: Today marks the 20th anniversary of the first World Water Day, an international celebration designed to draw attention to the importance of freshwater resources. However, for a large and growing proportion of the worlds population, every day is a World Water Day. Difficult, complex water challenges including drought, groundwater depletion, pollution, and clean drinking water availability are growing in urgency and seriousness all around the world. Some even argue that we should boycott World Water...