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Sustainability

Designing Safer Cities in India: Reducing Speed and Protecting Pedestrians

India and Road Safety

 

Over 140,000 people lost their lives on our roads last year, giving India the distinction of having the highest number of road accident victims in the world. As our country continues to motorize exponentially, this problem will only grow– unless we make urgent and far-reaching changes to our road safety approach.[read more]

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How Sustainable Cities Collective Members Are Building a Better Future

July 29, 2015 by David Thorpe

Towards the green city [This is Singapore]

This is my last post for the time being on Sustainable Cities Collective and I want to take the opportunity to explain how I have come to understand the great value that it has. What will life be like for urban citizens in the future? The answer may depend upon whether you or your descendants will be living in a city which has implemented many of the ideas already covered on this website.[read more]

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Cities are Built of Steel and Cement. How Can We Make These More Sustainable?

July 28, 2015 by David Thorpe

Build more with less

Everybody knows that we use raw materials inefficiently but there are great knowledge gaps in what to do about it. The authors of Sustainable Materials Without the Hot Air want to fix this by looking in detail at the production of materials to figure out the most effective way to reduce their environmental impact.[read more]

Quantifying Stormwater Benefits of Trees Part 2: Single-Event Stormwater Models

July 28, 2015 by Leda Marritz

Help from HydroCAD 

An introduction to various methods to quantify the stormwater benefits of tree stormwater control measures (Tree SCMs). It addresses Hydrologic and Hydraulic (H&H) models and Single-Event Stormwater Models. It follows a post on quantifying these benefits for tree benefit calculators and for stormwater credits.[read more]

The Case For Congestion Charging to Manage Traffic

July 28, 2015 by Brandon Donnelly

Pay to drive in

The very few cities that have actually had significant success at reducing traffic congestion – notably Singapore, London and Stockholm – have done this through cordon-based congestion pricing wherein if you pass the cordon, you pay the congestion charge. Should other cities copy them?[read more]

Buildings: Our Biggest (and Most Underutilized) Asset for Improving How Cities Perform

A quiet moment in Wuxi, China

It’s time for leaders from both the public and private sectors to pay attention to buildings as a way of improving how their cities perform. High performance buildings (and their cousins: net zero, or near-net zero buildings) are a boost to health and productivity. Here's how to begin.[read more]

Cape Town: Three Ports + One City = More Jobs?

July 27, 2015 by Cape Town Partnership

Three ports, one city.

Three ports, one city. How will the improved efficiency of Cape Town’s three transfer nodes benefit the city, and the nation?[read more]

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New report: Coastal Cities Will Drown In Around 50 Years

July 27, 2015 by David Thorpe

New York City could look like this

Sea levels are projected to rise faster than previously thought – as much as 10 feet within the next 50 years – precipitating an undeniable and irreversible effect on coastal cities like New York and Miami, according to a new study by 17 of the world’s top climate change experts.[read more]

Imitate to Innovate: Vitoria-Gasteiz Shows How Cities can Address 21st Century Challenges

July 27, 2015 by This Big City

Before and after the tram

The Spanish city of Vitoria-Gasteiz has recently transformed itself from a congested and car-dominated city into one of the most pedestrian and bicycle-friendly places in Europe. It didn’t achieve this by going at it alone. Its key to success was learning from others.[read more]

Could A City Really Be Redesigned To Build Happiness? An Interview With Charles Montgomery

July 27, 2015 by Walk21 Vienna

Planning for fun

Could a city really be redesigned to build happiness? One major aspect of liveability relates to how happy we can feel in the public spaces we inhabit. We talk to one of the leading authors in the field of urban happiness, Charles Montgomery, who will be a plenary speaker in the upcoming Walk21 conference in Vienna.[read more]

Sane Governance in the Digital City

July 24, 2015 by Klaus Philipsen

City of numbers

Can tactical urbanism, Internet journalism, direct action, "open data", crowd-funding and social networking provide a local governance solution that is at once local and complex and accessible and less corrupted?[read more]

How to Choose the Right Plants and Take Care of A Green Roof

July 24, 2015 by Glenn Meyers
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It's a roof. Take care of it.

The results of a five year study by the Chicago Botanic Garden list nine plants rated "excellent" and 67 rated "good" for use in a green roof environment. Meanwhile, Sasha Aguilera, Design Consultant for Xeroflor Canada, an industry leader in pre-vegetated roofing, has put together some suggestions for green roof maintenance and design.[read more]