"South Carolina Educational Television Network." . . . . . . "Video recordings for the hearing impaired" . . "Environmental films" . . . . . . . . . . . . . . . . . . . . . . . . . "For the first time ever, half of the world's population now live in cities. One of the most serious problems that the world will face in the next century is just how to manage this urban explosion. Using Mexico City, New York, Shanghai and Istanbul as examples, this award winning program looks at each city's struggle to combat water shortages, pollution and over-crowding to try and achieve a healthy and productive society."@en . . . . . . . . . "Four mega-cities are investigated to see how they are meeting a major challenge of the 21st century: how to shelter and sustain the world's exploding urban population without destroying the delicate balance of our environment. Visit Mexico City, Istanbul, Shanghai, and New York City."@en . . . "Four mega-cities are investigated to see how they are meeting a major challenge of the 21st century: how to shelter and sustain the world's exploding urban population without destroying the delicate balance of our environment. Visit Mexico City, Istanbul, Shanghai, and New York City." . . . . . . . . . . . . . . . . . . . . "This film \"journeys to four mega-cities to investigate a major challenge of the 21st century: how to shelter and sustain the world's exploding urban population without destroying the delicate balance of our environment\"--Container. Locations: Mexico City, Istanbul, Shanghai, and New York City." . . . "This film \"journeys to four mega-cities to investigate a major challenge of the 21st century: how to shelter and sustain the world's exploding urban population without destroying the delicate balance of our environment\"--Container. Locations: Mexico City, Istanbul, Shanghai, and New York City."@en . . "Journey to planet earth" . . "The urban explosion" . "The urban explosion"@en . . . . . . . . . . . "Four mega-cities are investigated to see how they are meeting a major challenge of the 21st century: how to shelter and sustain the world's exploding urban population without destroying the delicate balance of our environment. In Mexico City people struggle with toxic smog and a dwindling supply of drinking water while nearby farmers must cope with the city's untreated waste. At the crossroads of Asia and Europe, Istanbul's infrastructure is strained by more than half a million new residents each year. In Shanghai, an economic boom and rapid urbanization have increased air and water pollution and caused a dramatic loss of farmland to industrial sprawl. In New York City, environmental inequality has resulted in serious health problems for some." . . . . . . . "Shanghai (China)" . . "Mexico" . . "PBS Home Video." . . "Screenscope, inc." . . "Housing and health China Shanghai." . . . . "Housing and health New York (State) New York." . . "Housing and health." . . "Turkey" . . "Urban ecology (Sociology)" . . "Housing and health Mexico Mexico City." . . "Video recordings for the hearing impaired." . . "Mexico City (Mexico)" . . "New York (State)" . . "Agriculture Economic aspects." . . "Istanbul (Turkey)" . . "China" . . "New York (N.Y.)" . . "Housing and health Turkey Istanbul." . . "Urban agriculture." . . "Agriculture Environmental aspects." . .