Climate change increases the problems of water availability. Urban integrated water management and sustainable sanitation are hardly implemented today, and synergies within different groups of interest are barely exploited. Proper treatment and reuse of wastewater is, worldwide, the exception rather than the norm. Different stakeholders (water suppliers, industry, agriculture, households, sewage management etc.) generally fulfil their water needs without taking into account the impact on other stakeholders. This lack of coordination leads to an overuse and waste of water resources.
Sustainable water management is an important challenge that needs the participation of all stakeholders but also needs technical tools in order to be carried out.
Climate Symbiosis envisions a range of water-cycle targets directed at water conservation, stormwater quality, wastewater minimisation and groundwater protection. Urban stream syndrome happens when population growth, urban densification and climate change ages and increases expensive water infrastructure. A minimisation of waste water provides no need of water treatment. Water use reduction and stormwater pollution reduction are also important steps to sustainable water management.
All streams of water are a resource with diverse impacts on biodiversity, water and land and the community recreational and aesthetic enjoyment of waterways. A holistic approach is needed in order to plan for appropiate strategies that will enhance the built environment.
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