Selected for the Global Economic Symposium 2010
Water is one of our basic resources, but it is often in short supply not only for human use but also for ecological systems. While in some countries groundwater resources still are abundant and readily available for development, in others depletion due to overdrafting, waterlogging, salination as well as pollution cause severe problems. In addition, the uneven distribution of water (and population) among regions has made the adequate supply critical for a growing number of countries. Rapid population growth and an increasing consumption of water per capita have aggravated the problem. This tendency is likely to continue as water consumption for most uses is projected to increase by at least 50 percent by 2025 compared to 1995 level.
One additional reason for concern is (anthropogenic) climate change. Climate model simulations suggest that changes in precipitation patterns, intensity and extremes, as well as shifts in seasonal runoff will increase the unevenness in water availability further. Suitable adaptation strategies for sustainable development will differ between regions and sectors. Strategies that are appropriate for the industrial sector might not be that appropriate for agriculture, the largest consumer of water. Also, suitable approaches for developing regions might be unsuitable for developed regions.
- Which adaptation strategies are most likely to be successful in regions that will be hit most severely by climate change?
- How could these strategies be implemented?
- Could the import of water-intensive products constitute one solution for water-short countries to preserve domestic water resources?
- What would be crucial for such a strategy to be successful?
- How do management techniques and wateruse policies have to be designed to foster sustainable water use?
- What is the role of business and how can business help alleviating the problem?
- How can business be incentivised to do so?
- Which would be the appropriate institutional level for bringing about adaptation—regional, national, or international?
- How do institutional arrangements have to look like to facilitate the implementation of effective adaptation measures?
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Wesentliches Schlagwort: Ressourcenökonomik
Wesentliches Schlagwort: Wasserpolitik
Wesentliches Schlagwort: Wasserwirtschaft
