Biodiversity Currently the Caspian Sea extends approximately 1,150 km by 450 km, with a total area of 387,000 km 2. With a 10 m decline, four out of 10 ecosystem types unique to the Caspian Sea ...

Water levels in the Caspian Sea - which is bordered by Azerbaijan, Iran, Kazakhstan, Russia and Turkmenistan - are falling as rising temperatures mean more water is evaporating than flowing in.

The Caspian Sea is a unique and irreplaceable natural treasure. Protecting it means holding polluters accountable, and that requires transparency. The fate of the Caspian Sea hangs in the balance.