Voices in the global economy are today increasingly talking about water-related risks as an emerging threat to businesses. There is growing evidence that freshwater biodiversity is suffering acutely from over abstraction, from pollution of rivers, lakes and groundwater and from poorly planned water infrastructure. As the global population grows and demand for food and energy increases, the pressure on freshwater ecosystems will intensify. To add to this, the main effects of climate change are likely to be felt through changes...