News tagged with urban areas

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Urban metabolism for the urban century

Like organisms, cities need energy, water, and nutrients, and they need to dispose of wastes and byproducts in ways that are viable and sustainable over the long run. This notion of "urban metabolism" is a model for looking ...

dateJan 24, 2013 in Environment
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Native street trees can boost birds' survival

As native birds continue to lose their homes due to the spread of the Australia's cities, scientists are urging city planners and householders to help save them by planting more Australian trees.

dateNov 13, 2012 in Ecology
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Sustainable cities must look beyond city limits

City leaders aspiring to transform their cities into models of sustainability must look beyond city limits and include in their calculation the global flow of goods and materials into their realm, argue researchers ...

dateOct 31, 2012 in Environment
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How to crowdsource your happy space

An online platform aims to use digital crowdsourcing to distil people's positive perceptions of certain London neighbourhoods into the visual and physical aspects that most invoke feelings of happiness or ...

dateSep 26, 2012 in Social Sciences
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Rapid urban expansion threatens biodiversity: study

A brief window of opportunity exists to shape the development of cities globally before a boom in infrastructure construction transforms urban land cover, according to a study in the Proceedings of the National Academy of ...

dateSep 17, 2012 in Environment
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The Everglades still threatened by excess nutrients

Since 1985, a state agency has constructed and continues to maintain hundreds of square kilometers of wetlands built to regulate the amount of nutrients reaching the Everglades in southern Florida. But this is proving to ...

dateAug 31, 2012 in Environment
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Home wifi could be used for emergency responders

Wireless routers for homes and offices could be knitted together to provide a communications system for emergency responders if the mobile phone network fails, German scientists reported on Monday.

dateAug 20, 2012 in Telecom
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