Preservation
History of Street Trees in Paris: From the Minute to the Modest
During the reign of French King Henry IV from 1579 to 1610, he and his Duke of Sully remade French infrastructure with tree-lined highways. A new word was introduced, promenade: a special walk to see and to be seen.[read more]
Cycling through Mysore, India
Mysore, a historic city in southern India, is home to numerous palaces and ancient monuments. Mysore’s mixture of local commuters, tourists, students, and visiting business professionals, makes Mysore an ideal environment for biking.[read more]
How to Start a Bike-Powered Food Rescue Program
An awful lot of food – about 40% from farm to table – gets wasted in the US. Much of that happens closer to the table/consumer end of the spectrum, and a sizable portion of that food that gets thrown away is perfectly edible.[read more]
Mapping the Aftermath of Historic Storms
The idea for Historic Natural Disasters came up when fellow Ohio history buff Robert Muhlhauser and I were examining images from the Great Dayton Flood and trying to find their locations in Google Maps.[read more]
The Case for Building on a City's Historic Assets
Providence may be a particularly fine example, but it is hardly the only city with underutilized historic assets that could become a cornerstone of future economic development.[read more]
Bicycle as Catalyst for Nature Conservation
Fast, efficient and individualistic, the bicycle is no ordinary mode of transport. It’s a church, a gym, a community creator. It is touchable, attainable freedom. It is also a tool for nature conservation.[read more]
How to Preserve Open Space
Given the cost and complexities involved in purchasing and setting aside green, open space, no one type of organization can go it alone. Local governments, land trusts, non-profits, and private sector developers must forge partnerships.[read more]
Being a Citizen Naturalist
In every bio-region one of the most urgent tasks is to rebuild the community of naturalists, so radically depleted in recent years, as young people have spent less time in nature.[read more]
Watch out High Line, Here Comes the Bloomingdale Trail
Chicago’s Bloomingdale Trail, the 3-mile elevated rail park may give the High Line park in New York City a run for its money. What makes the park really different from the High Line?[read more]
Reclaiming the Urban Memory
The Great Recession, climate change and the quest for carbon neutrality have reoriented how we look at cities, the distance between home and work, and the role of the automobile.[read more]
Cincinnati Public Staircases: A Walking History Abandoned But Not Forgotten
Changing uses (or misuses) for public staircases were the result of shifting attitudes by urban planners and architects who were themselves willing participants aboard the rise of auto-oriented development.[read more]
Invasive Animals are Eating Louisiana: Rodents of Unusual Size [VIDEO]
Brought to the state from their native Argentina in the 1930s for their fur, nutria are literally “rodents of unusual size” that are also playing a role in destroying Louisiana's coastal wetlands.[read more]
Sustainable Cities Collective

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“I admire Gehl's work a lot, and wish more people in my profession (landscape architecture) would read Cities for People. Gehl has a new book coming out in October called How to Study Public Life.”
“Melbourne is a really beautiful city, so it's not surprising that they become number 1. The South African cities are ranking pretty badly; I do believe that a sustainable development within the next decades is highly important for its population. We’re currently seeing the trend of urbanization, meaning that lots of people are moving to the cities in hope of jobs. Siemens, for instance, have ...”