Throughout history water has confronted humanity with some of its greatest challenges. Water is a source of life and a natural resource that sustains our environments and supports livelihoods – but it is also a source of risk and vulnerability. In the early 21st Century;; prospects for human development are threatened by a deepening global water crisis. Debunking the myth that the crisis is the result of scarcity;; this report argues poverty;; power and inequality are at the heart of the problem.The 2006 Human Development Report continues to frame debates on some of the most pressing challenges facing humanity.