Tag: urban

Bird immune systems reveal harshness of city life

They may peck greedily at feeding tables – and have it easier than country birds do in the warmer urban winters – but city birds, it turns out, are in turmoil on the inside. By Aisling Irwin Researchers have found that many internal defence mechanisms that are quiet in rural birds are much more active in those in cities. These biological pathways are pumping out extra antioxidants, immune system cells and detoxifiers – a sign that urban life is challenging their health. Globally, bird numbers are dropping. According to figures published by conservation organisation BirdLife International last year, 40% of bird species have

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Driverless cars could see humankind sprawl ever further into the countryside

Self-driving cars will change how we live, in all sorts of ways. But they won’t just affect us humans – the coming revolution in autonomous transport has significant implications for wildlife as well. Nature conservationists and planners need to think hard about the impact of driverless vehicles, most notably in terms of renewed urban sprawl.

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Nepal earthquake reconstruction won’t succeed until the vulnerability of survivors is addressed

Despite good intentions to rebuild Nepal to be more resilient, 30 months on little progress has been made. Of more than 400,000 homes that were earmarked for reconstruction, only 12% have been rebuilt. Little of the US$4.4 billion in aid pledged for reconstruction has been disbursed. The Nepali government instituted a reconstruction program in October 2015 that identifies beneficiaries and entitles them to three instalments of compensation. The payments are dependent on progress and building code compliance. Those who do not own land are locked out of reconstruction support.

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