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Slums like this one in Rio de Janeiro embody the problems Paul Ehrlich warned of in ‘The Population Bomb.’ dany13, CC BY

A long fuse: ‘The Population Bomb’ is still ticking 50 years after its publication

A long fuse: ‘The Population Bomb’ is still ticking 50 years after its publication Slums like this one in Rio de Janeiro embody the problems Paul Ehrlich warned of in ‘The Population Bomb.’ dany13, CC BY Derek Hoff, University of Utah “The battle to feed all of humanity is over,”…

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One-third of the world’s nature reserves are under threat from humans

One-third of the world’s nature reserves are under threat from humans People transporting gasoline by boat in Indonesia’s Kayan Mentarang National Park. ESCapade/Wikimedia Commons, CC BY-SA James Watson, The University of Queensland; James Allan, The University of Queensland; Kendall Jones, The University of Queensland; Pablo Negret, The University of Queensland;…

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Sustained ocean warming could greatly reduce catches of fish like these herring photographed off Norway. Jacob Botter, CC BY

Climate change could alter ocean food chains, leading to far fewer fish in the sea

Climate change could alter ocean food chains, leading to far fewer fish in the sea Sustained ocean warming could greatly reduce catches of fish like these herring photographed off Norway. Jacob Botter, CC BY Jefferson Keith Moore, University of California, Irvine Climate change is rapidly warming the Earth and altering…

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Artificial islands can cause huge environmental issues for coastlines. The Forest City Project

Future ‘ocean cities’ need green engineering above and below the waterline

Future ‘ocean cities’ need green engineering above and below the waterline Artificial islands can cause huge environmental issues for coastlines. The Forest City Project Katherine Dafforn, UNSW; Ana Bugnot, UNSW; Eliza Heery, National University of Singapore, and Mariana Mayer-Pinto, UNSW Population growth has seen skylines creep ever higher and entire…

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The design for Paris Rive Gauche incorporates a mix of uses and access to green spaces. Paris Rive Gauche/SOA Architects

France has a unique approach to regenerating inner cities – what can we learn from its success?

France has a unique approach to regenerating inner cities – what can we learn from its success? The design for Paris Rive Gauche incorporates a mix of uses and access to green spaces. Paris Rive Gauche/SOA Architects Sebastien Darchen, The University of Queensland and Gwendal Simon, Université Paris-Est Marne-la-Vallée (UPEM)…

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Green and healthy, Shutterstock.

How to make healthy buildings in an era of mass migration

How to make healthy buildings in an era of mass migration Green and healthy, Shutterstock.  Dr. Laura B. Alvarez, Nottingham Trent University Worldwide population growth and mass migrations are putting the infrastructure of many cities under strain. With city governments under pressure to provide more housing and work spaces, people…

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Each year satellite images and maps show patterns linked to land use/cover change. Flickr/NASA

Technique developed in Kenya offers a refined way to map tree cover

Technique developed in Kenya offers a refined way to map tree cover Each year satellite images and maps show patterns linked to land use/cover change. Flickr/NASA Michael Marshall, World Agroforestry Centre (ICRAF) Scientists at the World Agroforestry Centre in Nairobi, Kenya, recently pioneered a new approach which uses satellite images…

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Limits to growth: policies to steer the economy away from disaster

Limits to growth: policies to steer the economy away from disaster The earth is a finite place. Earth image from www.shutterstock.com Samuel Alexander, University of Melbourne If the rich nations in the world keep growing their economies by 2% each year and by 2050 the poorest nations catch up, the…

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