Which are the world’s biggest cities, and what are their populations? Two simple questions that we discover are surprisingly difficult to answer. Plus, has the world got heavier or lighter since the industrial revolution? It’s a question posed by a More or Less listener that got us wondering, too. Dr Chris Smith, part of a group of Cambridge University researchers, known as the Naked Scientists, reckons he’s worked out the answer. This programme was originally broadcast on the BBC World Service.
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Do we need to become a country of "trains, trees, and towers?" Vishaan Chakrabarti, director of Columbia University’s Center for Urban Real Estate (CURE) and author of the new book A Country of Cities: A Manifest for an Urban America, discusses why he thinks "density is destiny", and how cities can solve the world’s major problems.
Oh, city living. The crush of people, the crowd of buildings, the empty lots, the garbage-strewn slums. More than half of us will be living urban by 2050. How will we manage? An Urban Future; City as Organism?; Sustainable Urbanism?; City Rules; The State of Cities; Innovative Urbanites; Guide to the Urban Age; Seeing Cities.
With cities contributing upwards of 75 per cent of global carbon emissions, urban design is increasingly important when planning for climate change. This discussion examines the creative urban design solutions coming out of the world’s cities. Saskia Sassen is Robert S Lynd Professor of Sociology at Columbia University. Richard Sennett is professor of sociology at LSE and NYU. Jonathon Porritti s the chair of the sustainable development commission and founder and director of Forum for the Future.