Moving to a more sustainable long-term model for managing water supplies is essential if we are to avert a future water crisis. However, many countries still lack access to even basic clean water. The World Bank estimates that the poorest countries need to spend around $150 billion a year just to deliver safe and clean water for all.
In this climate, is it realistic to expect countries to achieve water sustainability? Where do we stand regarding water sustainability at the moment and what can be done to improve the situation in the future?