24 September 2017
Most of the narratives on the crises of development are woven around rapid population growth in developing countries. Yes. The number of world citizens is over seven billion. The challenges that this number raises far exceeds national and intergovernmental agencies’ abilities to address them. Rapid urbanization is but one of...
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20 September 2017
Urbanization not only changes the landscape structure due to land cover change, fragmentation of natural habitats, and creation of artificial habitats, it also changes the physical patterns of the environment: temperature, wind currents, rain patterns, light levels, or noise levels. For example, urbanization increases average temperature by between 3°C and...
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18 September 2017
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18 September 2017
A review of: Painting Central Park, by Roger Pasquier. 2015. ISBN: 0-86565-314-3. Vendome Press, New York. 197 pages. Buy the Book. For the past two years, I’ve invited people to pick free food on Swale, an edible public park built on a barge in New York City. Creating something unexpected is a...
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17 September 2017
(Una versión en español, aqui.) In pondering the question: “Who should have access to the countless benefits and services that urban ecosystems provide?” We have put together a collection of eight first-person accounts that portray city dwellers’ dreams. This series of Sketches of life explores both individual and collective human...
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13 September 2017
The first time I visited the Méréville Estate and its Anglo-Chinese garden, created south of Paris at the end of the 18th century, I was struck by the interlinking of nature and culture in this amazing place. This National Heritage Site is the work of the Marquis de Laborde, who...
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10 September 2017
The food system is not as evident as other aspects of urban development. However, it involves many aspects of cities, such as mobility and transportation, commerce, land use, waste management, and, of course, food security. The food system refers to processes that begin with agricultural production and continues with the...
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6 September 2017
Volunteers. Exotics. Aliens. Weeds. Whatever happens to be your preferred nomenclature when describing the existence and behavior of spontaneous vegetation, it’s clear that many biases abound. We pluck, poison and mulch our landscapes to keep these decidedly untidy forces at bay. Yet have we also effectively mulched our mindsets? Have we...
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4 September 2017
A review of: Agricultura Urbana – Espacios de Cultivo para una Ciudad Sostenibles / Urban Agriculture – Spaces of Cultivation for a Sustainable City by Graciela Arosemena. 2012. 128 pages. ISBN: 9788425224232. Buy the book. Urbanization has gone hand-in-hand with agriculture from the beginning. Even in medieval times, when walls and defensive structures left...
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3 September 2017
In August 2017, I spent three days at the very stimulating Resilience 2017 conference, listening to conversations between nearly a thousand attendees—students, scholars, practitioners, musicians and artists—interested in understanding how we can craft a more resilient and sustainable earth system, one that keeps its people and its ecology in good...
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30 August 2017
More than a century ago, urbanist Ebenezer Howard invented the concept of a “garden city”—a city with a bustling urban core, fanning out into green neighborhoods, and then farther out into farmland, all of it theoretically connected in a semi-closed sustainable cycle. As a kid growing up in San Jose,...
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27 August 2017
It’s a beautiful spring day as I sit on the bank of Fanno Creek watching a family of wood ducks motor across the glassy surface of a three-acre beaver pond. A Blue Heron stands in the backwater finding nourishment from the juvenile fish hiding among the willows while a pond...
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23 August 2017
Donald J. Trump’s administration has been very obliging in providing content for environmentalist outrage, never in short supply. In a bit more than six months, Mr. Trump put an anti-EPA litigator in charge of the United States Environmental Projection Agency, sanctioned hunting of bears and wolves in Alaskan wildlife refuges,...
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21 August 2017
A review of: Paradoxes of Green, by Gareth Doherty. 2016. 216 pages. ISBN: 9780520285026. University of California Press. Buy the book. Greening cities has become an internationalized norm in urban sustainability initiatives. Increasing open spaces and urban vegetation are widely seen as positive improvements for the quality of life of city residents, and...
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20 August 2017
Elinor Ostrom’s groundbreaking research established that it is possible to collaboratively manage common pool resources, or commons, for economic and environmental sustainability. She identified the conditions or principles which increase the likelihood of long-term, collective governance of shared resources. Although these principles have been widely studied and applied to a...
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16 August 2017
Leia uma versão em português aqui. About fifteen years ago I fell in love with watersheds. Then, my passion extended to the forests and ecosystems that sustain them. Then, I discovered the urban waters and biodiversity, and consequently urban ecology, when I started researching on urban blue-green infrastructure and how...
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16 August 2017
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13 August 2017
The “common good”—what an ambitious expression! As far as environmental protection is concerned, governments want us to believe that it is always performed precisely for the sake of the “common good”, or “public interest”. However, things are not that simple. From a socially critical viewpoint, environmental protection remains a dangerously...
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9 August 2017
Protecting remnant swathes of nature is not easy, and may often require concerted, vigorous community efforts. There are many threats: the most common of which seem to be highways and development, which are often backed by considerable financial resources and lots of momentum. So one takes notice when something unusual...
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7 August 2017
A review of “Palm House”, a commissioned project on view at the Edinburgh Art Festival until 27 August 2017. The year is 1880; the place is Edinburgh, Scotland. Edinburgh’s Old Town is internationally known for its squalid conditions; its tenement slums plagued by poor sanitation and overcrowded housing. The medieval...
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