Climate change and the increasing number of competing water users have led to the overexploitation of the Pangani river basin resources. Action has been taken to establishing environmental, economic and social implications of different river flow scenarios under expected climatic conditions. This helped to prioritize the allocation of water resources to meet basic human needs and those of ecosystems. The main lesson learnt was that providing a platform for dialogue between key stakeholders and increasing knowledge about the climatic variability and future risk are essential for successful water management solutions.
A large proportion of Brazil’s population is lacking access to water and sanitation, and development is slow, in particular in rural areas due to lack of funds and political will, but also due to inefficiency in the resources allocation. Action has been taken by the State of Ceará to implement the model called Integrated Rural Water Supply and Sanitation System, illustrating that the most important component of attaining sustainable management is user participation.
The Toledo River basin is increasingly contaminated due to unsustainable agricultural practices, Action was taken through a UNESCO-IHP project aiming to perform an integrated environmental assessment of agricultural and farming production systems located in the Toledo River Basin. By using a multi-criteria approach, it was possible to highlight the interactions and use of natural capital, human-driven resources, and ecosystem services supporting agricultural and farming production systems.
The water resources of Brazil are subjected to pollution and mismanagement. Furthermore, it is susceptible to urban flooding and land-slides. To address these issues, action was taken to increase funding to the National Water Agency. In terms of IWRM, the key lesson learnt is the need for strong and well-funded executive agencies capable of putting laws into practice.
The lowland valley of Chancay-Lambayeque watershed is scarce of water resources, forcing farmers to irrigate with insufficiently treated waste water, resulting in severe health issues. Action was taken through the project “Future Development of San José farmer community: Wastewater” which was a collaboration between the private and the public sectors, aiming to illustrate alternative ways to irrigate. The most important lesson is that cooperation is an important instrument for development.
The quality of groundwater recharging the Guarani aquifer is threatened in some areas by rapid land-use changes, and locally by rapid urbanisation. Action was taken by the World Bank through a GEF-funded project on the ‘Sustainable Development & Environmental Protection of the Guarani Aquifer’, which included scientific studies, institutional provisions and transboundary groundwater management. This case study reinforces the lesson to ‘think globally but act locally’.
The Pantanoso watershed in Montevideo has been identified as vulnerable to threats of intense rains and floods, posing risks to the human settlements. To combat the risks, action was taken by the local population and governmental authorities to engage in a project on Climate Related Disaster Risk Management. The key lesson is that strengthening vulnerable communities upon climate risks represents a key tool for the IWRM, since it contributes to empowering the population.
In Carabobo State, the urban and agricultural expansions are the main causes of watershed problems resulting from degradation of forests, deforestation and inadequate solid waste management. Since 2009, action has been taken to combat these developments through participatory public policies which focus on environmental education and sustainable development. The key to the success of the project has been extensive capacity building in combination with concrete management tools.
In Kazakhstan, the issue is not one of scarcity but of management, a problem that can be solved through applying the principles of IWRM. The government of Kazakhstan consequently initiated a water resources management project aiming at strengthening water management organisations and by instituting the practice of IWRM. In this process, training, workshops and dialogues both within and outside the water sector are crucial.
In Kyrgyzstan, lack of drinking water and access to sanitation is a pressing problem which reinforces social vulnerability and poverty. Financed by the Asian Development Bank and the World Bank, actions have been taken to improve access to drinking water and sanitation by the Ministry of Health. These projects had a high level of community involvement which increased the sense of ownership.