The Chilika Lagoon was subjected to environmental degradation. Action was taken by the Chilika Development Authority through the application of GIS and remote sensing tools for monitoring and assessment of the lagoon, resulting in significant improvement of the ecological health of the lagoon. The key lesson learnt is how a clear understanding of the coastal process and the river basin is essential for restoration of a coastal wetland.
Due to substantial population growth putting increased pressure on the water resources, their quality has started to deteriorate. This is perceived as a serious issue since water is inseparably linked with the socio, economical and cultural aspects of livelihoods. Action was taken through an integrated lake conservation programme, aiming to improve water quality. The most important lesson learnt is that awareness raising, education and stakeholder participation are essential.
The management of water resources in Bangladesh involves a centralised, heavy engineering approach in order to control floods and install irrigation, however, there is now a pressing need for ensuring social justice and equity in water resource development. Recognising the role of water in poverty alleviation, action has been taken to implement a 25-year National Water Management Plan. Although this is one important step, it is evident that many issues require more work.
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.
In Costa Rica, action was taken to introduce water pricing to pay for services provided by forests in watershed areas. As a result, Costa Rica’s watershed owners are beginning to be rewarded for providing water, whether for drinking or for generating electricity. The main lesson is that initiatives that ensure local groups are included in the benefits of conservation are needed to involve them in helping to protect the water catchment areas.
Due to increased agricultural irrigation and large scale dam projects, and inappropriate land and water management practices, the water inflow to the Komadugu Yobe Basin has dramatically been reduced. Action has been taken to establish a legal and policy enabling environment, as well as to increase knowledge among the local communities to establish more sustainable behaviour. The main lesson learnt was that although a multi-stakeholder participatory approach is slow, it helped to mobilise partnership.
Kafue Flats are the vast open floodplain of the Kafue River, important for fishing, cattle grazing, sugar cane farming, and production of hydroelectric power. Increased human pressure is, however, threatening the ecosystem. Action was taken by WWF to create partnerships between different stakeholders. Furthermore, an IWRM plan has been initiated. This case illustrates how integrated planning can bring together stakeholders with diverse interests.
Rural and peri-urban areas are often neglected when making infrastructure investments. However, these areas could gain from treatment of domestic wastewater through the construction of wetlands. In Bulgaria, the problem of wastewater treatment was addressed through the construction of a wetland for treating wastewater from domestic sources. The lesson learnt is the importance of community initiatives.