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Drained Under Soviet Rule, Aral Sea Has Become a Huge Source of Emissions

Abatify Summary

Nature & Climate Perspective

**The desiccation of the Aral Sea has transformed a critical inland aquatic sink into a massive active greenhouse gas emitter, severely destabilizing regional biodiversity and carbon cycles. **

  • The exposure of organic-rich lacustrine sediments to atmospheric oxygen has accelerated decomposition, reversing historic carbon sequestration and releasing immense volumes of CO2.
  • Loss of the lake has decimated local aquatic and terrestrial biodiversity, replacing a diverse wetland ecosystem with the toxic, hyper-saline Aralkum Desert.
  • Dust storms carrying salt, pesticides, and particulate matter are accelerating regional desertification and altering microclimates, threatening long-term environmental stability across Central Asia.

Market & Policy Outlook

**This ecological collapse underscores systemic failures in sovereign LULUCF accounting and poses a stark warning for ICVCM-aligned nature-based carbon projects regarding permanence and additionality. **

  • The scale of emissions from dried lakebeds exposes critical gaps in national LULUCF inventories, highlighting the need for robust regulatory frameworks to account for human-induced wetland degradation.
  • Restoration efforts in the Aral basin present opportunities for transboundary Article 6.2 mechanisms and ITMO generation, though projects must strictly align with ICVCM CCPs to secure market trust and premium pricing.
  • Corporates sourcing agricultural commodities like cotton from the region face heightened Scope 3 supply chain risks under SBTi guidance due to the severe climate and water footprint of upstream irrigation practices.
The Aral Sea sits between Kazakhstan and Uzbekistan and was once the fourth-largest inland body of water on Earth. For the past 60 years, though, humans have bled it nearly dry irrigating cotton crops, leaving behind a salty plain the size of Ireland. Its loss has long been seen as an ecological and humanitarian problem, but new research shows that it has also been a significant driver of climate change. Read more on E360 →
The Aral Sea sits between Kazakhstan and Uzbekistan and was once the fourth-largest inland body of water on Earth. For the past 60 years, though, humans have bled it nearly dry irrigating cotton crops, leaving behind a salty plain the size of Ireland. Its loss has long been seen as an ecological and humanitarian problem, but new research shows that it has also been a significant driver of climate change.Read more on E360 →

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Read full article at Yale Environment 360
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