Wednesday, January 30, 2019

City Unseen

City Unseen: New Visions of an Urban Planet
Karen C. Seto, Meredith Reba
Yale University Press, September 2018



Hardcover | 9 x 10 inches | 268 pages | 188 illustrations | English | ISBN: 978-0300221695 | $35.00

Publisher Description:
Seeing cities around the globe in their larger environmental contexts, we begin to understand how the world shapes urban landscapes and how urban landscapes shape the world. Authors Karen Seto and Meredith Reba provide these revealing views to enhance readers’ understanding of the shape, growth, and life of urban settlements of all sizes—from the remote town of Namche Bazaar in Nepal to the vast metropolitan prefecture of Tokyo, Japan.

Using satellite data, the authors show urban landscapes in new perspectives. The book’s beautiful and surprising images pull back the veil on familiar scenes to highlight the growth of cities over time, the symbiosis between urban form and natural landscapes, and the vulnerabilities of cities to the effects of climate change. We see the growth of Las Vegas and Lagos, the importance of rivers to both connecting and dividing cities like Seoul and London, and the vulnerability of Fukushima and San Juan to floods from tsunami or hurricanes. The result is a compelling book that shows cities’ relationships with geography, food, and society.
dDAB Commentary:
I remember the first time I saw the Keyhole technology, what eventually became Google Earth. A friend who got his hands on it showed it to me and I was blown away at being able to pan and zoom around the globe so effortlessly; I recall it being hard to pull me away from it. Now, roughly 20 years later, the ability to see satellite imagery of any spot on the globe at any time on any device is taken for granted, as if we all have the right to see the earth from space. But as Karen Seto and Meredith Reba put it in their introduction to City Unseen, "with access [to satellite imagery] comes responsibility – to make more informed decisions about how to design, plan, construct, and operate cities in better, healthier, more sustainable ways." They have assembled satellite imagery of 100 places around the globe as an expression of that responsibility.

The 100 places are put into three chapters that focus on the landscapes around cities, more detailed views of urban agglomerations, and the way "demand for urban resources is changing landscapes." But first is "views from space," a chapter that explains why, for instance, the cover image (of Detroit, Michigan) looks the way it does. By combining visible and nonvisible wavelengths of light in various ways, Seto and Reba are able to emphasize certain characteristics, which they spell out in the text alongside the images. The choices of location, time, scale, and wavelengths of light combine to create an illuminating if often dour depiction of how we inhabit the earth. But it's also powerful. Two nighttime satellite images one day apart draw attention to the island-wide power outages that plagued Puerto Rico after Hurricane Maria – just one of many examples where satellite data holds deeper meanings.
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Author Bio:
Karen C. Seto is the Frederick C. Hixon Professor of Geography and Urbanization Science at the Yale School of Forestry and Environmental Studies and a member of the U.S. National Academy of Sciences. Meredith Reba is research associate at the Yale School of Forestry and Environmental Studies.
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