For example, the report shows that 64% of countries have developed integrated water resources management plans and 34% report an advanced stage of implementation. However, progress appears to have slowed, or even regressed, in low and medium Human Development Index (HDI) countries since the last survey carried out in 2008. Much remains to be done to finance and implement plans in many HDI countries. The Rio+20 conference has chosen Green Economy in the context of sustainable development and poverty eradication as an overarching theme for realizing transformational change. One of the challenges, and opportunities, of Rio+20 is to define ways of scaling-up and accelerating the myriads of positive sustainable.
