Do you want to help build a happier city? BBC - 0 views
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With colleagues at the University of Cambridge, I worked on a web game called urbangems.org. In it, you are shown 10 pairs of urban scenes of London, and for each pair you need to choose which one you consider to be more beautiful, quiet and happy. Based on user votes, one is able to rank all urban scenes by beauty, quiet and happiness. Those scenes have been studied at Yahoo Labs, image processing tools that extract colour histograms. The amount of greenery is associated with all three peaceful qualities: green is often found in scenes considered to be beautiful, quiet and happy. We then ran more sophisticated image analysis tools that extracted patches from our urban scenes and found that red-brick houses and public gardens also make people happy.
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On the other hand, cars were the visual elements most strongly associated with sadness. In rich countries, car ownership is becoming unfashionable, and car-sharing and short-term hiring is becoming more popular. Self-driving cars such as those being prototyped by Google will be more common and will be likely to be ordered via the kind of mobile apps similar to the ones we use for ordering taxis nowadays. This will result into optimised traffic flows, fewer cars, and more space for alternative modes of transportation and for people on foot.
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Cities will experience transformations similar to those New York has experienced since 2007. During these few years, new pedestrian plazas and hundreds of miles of bike lanes were created in the five boroughs, creating spaces for public art installations and recreation. And it’s proved popular with local businesses too, boosting the local economy in areas where cyclists are freer to travel.
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it is not clear whether the rise of post-war tower dwelling is a definite improvement on the modern city sprawl. Tall buildings (with the exception of glassed-office buildings and landmarks) are often found in sad scenes.
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In recent years, the new mayor of the Colombian capital Bogota, Enrique Penalosa, has cancelled highways projects and poured the money instead into cycle lanes, parks and open spaces for locals – undoing decades of car-centric planning that had made the streets a no-go area for the capital’s children. On the day in February 2000 when Penalosa banned cars from the street for 24 hours, hospital admissions fell by a third, air pollution levels dropped and residents said it made them feel more optimistic about living in the city.
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are the technologies we are designing really helping its users to be happy? Take the simple example of a web map. It usually gives us the shortest walking direction to destination. But what if it would give us the small street, full of trees, parallel to the shortest path, which would make us happier? As more and more of us share these city streets, what will keep us happy as they become more crowded?
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the share of the world’s population living in cities has surpassed 50%. By 2025, we will see another 1.2 billion city residents. With more and more of us moving to urban centres, quality of life becomes ever-more important.