Azerbaijan has raised the falling water level of the Caspian Sea in talks with the United Nations. The issue has grown more pressing because the sea has been shrinking for years. Reduced river inflow and higher temperatures are commonly cited as drivers of the decline. A lower level threatens ports, fishing communities and wildlife found nowhere else, including the Caspian seal. The water body is shared by five countries, so any lasting fix would require cooperation among all of them. By taking the matter to the UN, Baku appears to be looking for wider attention and possible international support. The discussion places the Caspian's decline on the global diplomatic agenda rather than leaving it only to regional bodies.