Posts

Why is Urban Sustainability so Hard? The Trap of the Sanitary City

A few months ago, I was having a lively discussion with some serious and dedicated undergraduates at a university I was visiting.  The fact that they were disappointed with their training in sustainability came up — They felt they weren’t being told how to practice sustainability.  This provided an opportunity for interesting engaged discussion, and […]

How Many Principles of Urban Ecology Are There?

By Steward T.A. Pickett (Cary Institute) & Mary L. Cadenasso (University of California Davis) In 2008, we published a short paper on the principles of urban ecology (Cadenasso and Pickett 2008).  It was aimed at landscape architects and landscaping practitioners as a part of an “Ecological Landscaping” conference attended mainly by these professionals.  Consequently, we […]

Urban Ecology HAS Changed

A Perspective on Points from Ramalho and Hobbs, As Reported by the BBC on 6 December 2011 A news report by the BBC on an article critical of urban ecology appears at http://www.bbc.co.uk/news/science-environment-16032471  I find that the report, though true to the article by Ramalho and Hobbs, should not go without comment.  Urban ecology is […]

Natural Experiments of History

The title of this essay is the same as a book edited by Jared Diamond and James A. Robinson, published in 2010 by Harvard University Press.  The book explores the general method of natural experiments applied to human societies and history.  It was tempting to title this essay “Cultural Experiments,” because the emphasis of their […]