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 ...

Jan 24, 2013
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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.

Nov 13, 2012
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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 ...

Oct 31, 2012
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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 ...

Sep 26, 2012
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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 ...

Sep 17, 2012
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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 ...

Aug 31, 2012
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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.

Aug 20, 2012
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