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Last edited 24 Sep 2020
Trading systems for water resources
An international river is a river that flows through, or borders, more than one country. There are over 260 international rivers in the world, covering 45% of the earth's land surface and accounting for approximately 80% of global river flows. For instance, Africa has more international rivers than any other continent and, therefore African international rivers could be a dynamic binding force through joint development projects.
International rivers sometimes act as political borders because they form a convenient natural barrier, reducing illegal immigration and the transport of illicit goods. They also enable sharing of resources, provided mutual agreement can be reached.
First, in developing countries it is often poorer people who live alongside rivers. They are powerless to move, and become subject to feuds, drought, flood and pollution. This makes river management very difficult in any case, even if the river does not straddle political boundaries.
Second, where an international river forms an international border, responsibility for river management (storage, pollution control, watershed management) inevitably becomes complicated. A political border that cuts across the watershed rather than tracing or fully encompassing it prevents the most effective, watershed-based management of river resources.
Third, there are many factors that prevent the development potential of international rivers from being realised. In particular, illegal crossing of borders for social, economic or refuge reasons is common, ineffective legal infrastructure prevents the adoption of laws or international treatises, and war and economic uncertainty make development difficult.
Ostrom (2009) has shown how resource conflict problems within states can be solved by the creation of localised practical management activities as the foundation for developing mutual governance. This approach is not possible for international rivers in many instances because the river keeps the different parties separate politically.
 Solving river catchment management problems through trade
The lack of effective legal infrastructure in many developing countries means that new approaches that are not solely reliant on legal processes are needed. A number of protocols have been suggested. The Helsinki rules (1966) and the Berlin rules (2004) attempt to provide resilient rules for sharing waters. These rules are difficult to enforce across political borders and to satisfy the majority.
The Dublin principles (1992) could provide the basis for a new approach based on trade, since they recognise fresh water as an essential but limited resource for life, with 'economic value in all its competing uses'. The Dublin principles also emphasise the need for properly participatory water resource development and management, and the way in which women are central to the provision, management and safeguarding of water resources.
This paves the way for different basin states to trade water rights with each other within the context of a whole international catchment area. This approach fits with the application of trade to other domains of resource and pollution conflict, such as the Kyoto Treaty.
Waters of the Zambezi are shared for power generation in Zambia, Zimbabwe, Malawi and Mozambique. The Okovango river development in Angola is controlled to preserve wetlands in Botswana. Dams in Botswana and South Africa on the Limpopo river alleviate flooding in Mozambique. Much of the water trading is facilitated by the Southern Africa Development Community (SADC).
Engineers may have a more pragmatic and logical approach than lawyers and legislators. Since engineers already implement dams, power generation, irrigation and urban water supplies from international rivers, they are ideally placed to take a more active role in managing river resources.
However, a trading approach may also be relevant closer to home in the UK, with some water companies being potentially interested in water transfers as a way of addressing their water management issues.
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