By Pishtaz | 2026-07-01

Scientists warn that the Caspian Sea is shrinking at an accelerating rate due to rising temperatures and increased evaporation across the region.

Reduced inflow from the Volga and other tributaries is further intensifying the long-term decline.

Research indicates that water levels could fall significantly over the next 50 years, reshaping coastlines and ecosystems.

This ongoing decline threatens the livelihoods of millions of people across the five littoral states who depend on fishing, shipping, and coastal infrastructure.

Ports are already experiencing retreating shorelines, which is forcing costly relocations and disrupting established trade routes.

Wetlands that support agriculture and biodiversity are also drying out, increasing both economic pressure and environmental stress.

Ecologically, the Caspian Sea is home to unique and fragile species that depend on its complex ecosystem.

Among the most threatened are sturgeons, ancient fish responsible for much of the world’s prized caviar production.

Nearly 90% of global sturgeon populations depend on the Caspian basin, yet shrinking waters and blocked river deltas are making migration and spawning increasingly difficult.

As the sea continues to recede, habitat fragmentation and rising salinity are placing further pressure on already endangered marine life.

Experts warn that without coordinated conservation efforts, biodiversity losses could become irreversible across the region.

Addressing the crisis will require international cooperation among Caspian states, alongside coordinated environmental planning and water management strategies.

Scientists emphasize that isolated national responses will not be sufficient given the shared nature of the basin’s ecosystems.

Ultimately, the Caspian Sea's future hinges on whether regional governments can collaborate to curb environmental degradation and protect both local livelihoods and vital natural ecosystems.