Billions are already being spent to keep infrastructure afloat, but the sea’s retreat is outpacing political cooperation. <br><br> Eastern Express investigates how climate change is transforming the Caspian—and what its decline means for the people, economies and ecosystems that depend on it. <br><br> <center class="iframe"><iframe width="100%" height="480" src="https://www.youtube.com/embed/V_5_nz3aF-k?si=tuv8SnZmJnekBocl" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe></center>