THE ECOTOPIA 2121 PROJECT DETAILS THE GREEN UTOPIAN FUTURES OF THOUSANDS OF REAL WORLD CITIES ACROSS THE GLOBE. THIS WEEK, WE FEATURE THE FUTURE OF THE BLACK SEA CITY OF SOCHI. Sochi is the largest city of the Caucasian Riviera, abutting the eastern side of the Black Sea. It’s the warmest city of the entire Russian Federation, a place where Russians go for summer holidays and family fun at the beach. For most Russians, Sochi was a rather peculiar place to be selected to stag