By Seymur Mammadov in Baku The Aral Sea has gone. The Caspian Sea may be next. Global warming will see its level fall by up to 18 metres and reduce its surface area by a third thanks to global warming. Azerbaijan’s capital will no longer be a port if that happens and the Northern Caspian will disappear entirely. The sea level in the Caspian has been falling at an alarming rate. Shippers are concerned as ports are already having to be dredged as they become shallower each year. Although fluctuations in the level of the largest inland body of water on the planet are quite natural, many scientist…