How did Tehran end up in the world’s worst water crisis? | Inside Story

Key Concepts

• Water Bankruptcy: A state where a city or region can no longer meet its water demands.
• Day Zero: A critical point where a city's water supply is projected to run out completely.
• Water Stress: A situation where the demand for water exceeds the available supply, affecting both quantity and quality.
• Threat Multiplier: A factor that exacerbates existing societal problems, such as water stress worsening existing cleavages.
• Catalyst of Conflict: A factor that directly triggers new conflicts, as water scarcity is increasingly becoming.
• Desalination: The process of removing salt and other minerals from seawater or brackish water to make it potable.
• Water Audit: An assessment of the current water supply, demand, and identifying gaps and potential savings.
• Water-Sensitive Design: Incorporating water efficiency and management into urban planning and infrastructure.
• Sustainable Development Goals (SDGs): A set of 17 global goals established by the United Nations General Assembly in 2015, with SDG 6 focusing on clean water and sanitation.
• Cobra Meeting: An emergency response mechanism used in the UK for critical situations.

Tehran's Water Crisis: A Looming Evacuation?

Tehran, Iran's capital, is facing its most severe drought in recorded history, leading to a potential water bankruptcy. President Massud Peshkan has warned that evacuation of the city, home to over 10 million people, might be the only option if rainfall does not materialize by the end of November, necessitating water rationing. This dire situation has been exacerbated by a combination of factors, including mismanagement and the intensifying effects of climate change.

Causes of the Crisis

• Climate Change: Record-breaking summer temperatures have led to the drying up of dams and rivers that typically supply Tehran. This is a global trend, with the UN predicting that 700 million people may be displaced by 2030 due to water shortages.
• Mismanagement and Inefficient Water Usage:
  • Government Policies: A lack of serious investment in water management and infrastructure is cited as a significant issue. While some Middle Eastern countries like Saudi Arabia, UAE, and Egypt are taking the crisis seriously, others, including Iran, have not acted with sufficient urgency.
  • Public Awareness: There is a noted lack of public awareness regarding efficient water usage and the preciousness of this resource. Examples include excessive water use for simple tasks like breaking fasts and widespread reliance on bottled water.
  • Infrastructure Leakages: Significant water loss occurs due to leakages in existing water systems, a problem prevalent in many Middle Eastern countries.
• Economic Factors: The fundamental economic principle of supply and demand is at play, with supply of water falling far short of demand, especially for a life-saving product.
• Technological Impact: The expansion of energy-intensive data centers, requiring massive cooling systems that consume significant amounts of water, is also contributing to drought conditions in some areas, such as Phoenix, Arizona.

Global Parallels and Precedents

Tehran's crisis is not unique, though the scale of potential evacuation is unprecedented in recent human history.

• Cape Town, South Africa: Narrowly avoided "Day Zero" in 2018, demonstrating that such crises can be averted with timely intervention.
• Mexico City: Faces significant water scarcity, with the city claiming insufficient supply to meet its needs, impacting its water agreement with the US.
• Ethiopia's Renaissance Dam: The construction of this dam on the Nile basin, intended for Ethiopia's prosperity, has raised concerns among downstream countries like Sudan and Egypt about their primary water source.
• India and Pakistan: Water sharing disputes over the Indus River have led to tensions, with both countries claiming vulnerability under existing treaties.
• Horn of Africa and Sahel Region: These areas are increasingly experiencing water scarcity as a direct catalyst for conflict.

Potential Solutions and Mitigation Strategies

Experts and guests on the program discussed various approaches to address water scarcity, emphasizing both immediate actions and long-term strategies.

Immediate Actions and Contingency Planning

• Water Audits: Conducting thorough assessments of current water availability, demand, and identifying gaps to inform policy.
• Emergency Response: Implementing contingency plans akin to the UK's "Cobra meetings" for critical emergencies.
• Public Education and Awareness Campaigns: Educating citizens on the importance of water conservation and efficient usage, not through alarmism but by providing examples of countries that have faced and overcome similar challenges.
• Infrastructure Repair: Addressing water leakages through investment in repairing and upgrading old, inefficient pipes and systems.

Long-Term Strategies and Technological Solutions

• Desalination:
  • Feasibility: A key solution, particularly for Gulf regions like Saudi Arabia, Qatar, and UAE, which have developed significant expertise.
  • Renewable Energy Integration: Desalination plants can be powered by renewable energy sources like wind power, making them more sustainable and cost-effective. Perth, Australia, successfully implemented wind-powered desalination, with costs only marginally higher than conventional sources.
  • Cost and Cooperation: While expensive, cooperation among nations to share knowledge and resources in desalination technology can be beneficial.
• Water Recycling and Reuse: Treating wastewater and recycling it back into groundwater systems to recharge aquifers.
• Water-Sensitive Urban Design: Integrating water efficiency and management into the planning of new urban developments.
• Government Policy Reform:
  • Investment: Prioritizing investment in water infrastructure and management.
  • Regulation: Avoiding privatization of water resources and ensuring effective governance.
  • Subsidies: Re-evaluating water subsidies that can lead to underestimation of its true value and encourage overuse.
• International Cooperation: Fostering collaboration between nations to address transboundary water issues and share best practices.

The Role of Climate Change and Future Threats

• Unpredictability: Climate change has made weather patterns, including monsoons and drought conditions, increasingly unpredictable, making water scarcity harder to manage.
• Emerging Threats:
  • Data Centers: The growing demand for water by data centers, especially in water-stressed regions, poses a new challenge.
  • Population Growth: Increasing global population further strains finite water resources.
• Water as a Catalyst for Conflict: Water scarcity is shifting from being a "threat multiplier" to a direct "catalyst of conflict," particularly in regions like the Horn of Africa, the Sahel, and the Afghanistan-Iran-Pakistan corridor. This could lead to increased migration and geopolitical instability.

Key Arguments and Perspectives

• Alam Ahmed: Emphasizes the need for massive national efforts, public education, and government policy reform. He argues that evacuation of Tehran is unrealistic and highlights that no Middle Eastern country has yet achieved UN SDG 6 (clean water and sanitation). He stresses the importance of viewing water security as a national security issue.
• Peter Newman: Highlights climate change as a primary driver and shares Perth's experience with successful desalination powered by wind energy. He advocates for water-sensitive design and public-private partnerships, emphasizing that cooperation is crucial to avoid global evacuation scenarios.
• Marcus King: Views water stress as a "threat multiplier" that is evolving into a direct "catalyst of conflict." He points to the increasing unpredictability of weather due to climate change and the emerging threat of water-intensive data centers, particularly in developing nations. He also notes the potential for water stress to trigger migration to countries with protectionist policies.

Data and Statistics Mentioned

• Tehran Population: Over 10 million people.
• UN Prediction: 700 million people may be forced to move by 2030 due to water shortages.
• Perth Water Supply: Only 8% of Perth's water comes from rainfall; the rest is from desalination and recycled water.
• Access to Clean Water (Global): Increased from 60% in 2000 to 75% in 2020.
• Child Mortality: Number of children dying has halved since 1990, partly due to improved water and sanitation.
• Middle Eastern Countries and SDG 6: None have achieved the UN's Sustainable Development Goal 6 for clean water and sanitation.

Conclusion

The crisis in Tehran serves as a stark warning of the escalating global water scarcity challenge, driven by a confluence of climate change, mismanagement, and increasing demand. While solutions like desalination and water recycling offer hope, they require significant investment, political will, and international cooperation. The potential for water scarcity to fuel conflict and displacement underscores the urgency of addressing this issue not just as an environmental concern, but as a critical matter of global security and human survival. The world must move beyond reactive measures and embrace proactive, collaborative strategies to ensure water security for all.