Water Reforms Across the World: Policy and Technological Innovations

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Presentation transcript:

Water Reforms Across the World: Policy and Technological Innovations Jose Albiac CITA-University of Zaragoza (Spain) Workshop on Water Policy Innovations Lee Kuan Yew School of Public Policy, National University of Singapore Singapore, February, 2017

1. Review of policy and technological innovations in Australia, the EU, Israel and the USA Policy instruments: Economic instruments: water pricing, water markets Command & control Institutional instruments: stakeholders collective action inside basin authorities Water technologies: Urban wastewater treatment Advanced irrigation technologies Seawater desalination Recycled wastewater Manure treatment or reutilization

2. Implementation of policy and technological innovations Australia: Water markets, Irrigation technologies European Union: Wastewater treatment plants, Nitrates legislation, Water pricing Israel: Command & control, Irrigation technologies, Wastewater treatment plants, Recycled water, Privatization of water companies, Water pricing, Seawater desalination United States: Wastewater treatment plants, Cost recovery, Conservation programs (including irrigation technologies)

3. Improvements, constraints, failures Australia: Large gains in profits (AU$ 1 billion/year drought), fall in basin flows, huge public funds to bribe stakeholders (AU$ 20 billion) European Union: Large abatement of urban point pollution (with € 200 billions), Failure to abate nonpoint pollution (Figure), Water pricing working in urban networks but not in agriculture (either quantity or quality). National irrigation plan in Spain (€ 6 billion) Israel: Investments in irrigation technologies and wastewater plants failed to curb abstractions; Improvements with command & control, recycled water, privatization, water pricing, desalination United States: Large abatement of urban point pollution (US$ 90 billion), Cost recovery in water projects reduced deliveries to irrigation, Failure to abate nonpoint pollution (US$ 100 billion funding, including 10 for irrigation technologies), stream flows and groundwater tables falling

Pressures from human activities Mekong Hydroelectric dams Nitrogen entry in soils kgN/km2

4.-5. Context, duplication, adaptation to economic, social and environmental conditions The scale of the global growing water depletion indicates that water mismanagement is quite common, and that sustainable management of basins is a complex and difficult task. Political economy of water reforms: conflicts between public and special interests in the design and implementation of water reforms Path dependency of institutional and policy processes (no panaceas), so water reforms adapted to country, basin and local scales. Two important questions: 1) Efficiency gains in irrigation at plot and district levels lead to more evapotranspiration and less return flows, resulting in lower stream flows at basin level. 2) Nonpoint pollution is a wicked problem: many pollutants, large number of sources, highly stochastic transport and fate along different paths, heterogeneous damages across space and time

6. Lessons learn, positive and negative The more extensive water reforms are those of Israel and Australia, motivated by the unsustainable growth of water abstractions Israel: all types of measures undertaken, command & control facilitates reallocation among sectors Australia: large gains from trading, but huge public funds transferred to farmers and states. Markets and public investments in irrigation technologies reducing basin flows. Buy-back of water for the river. The USA and EU: water scarcity is much less severe. Water reforms are focused on pollution abatement, which is a widespread problem in the USA and the EU. Success in urban pollution abatement, but failure in nonpoint pollution policies. In the EU, water pricing working fine in urban networks but failing in agriculture for both water quantity and water quality. In the USA, interest in water markets but significant barriers which are quite challenging and difficult to overcome.