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Climate Change

The Greening of Sports to Save the Planet

Sports is a $1.3 trillion global industry, with over $450 billion of this spent in the US. And small wonder – sports figures and celebrities have the greatest influence on us, aside from family. Sporting events occur constantly and can reach every one of us. Sports engage us on a visceral level and have the power to forge lifelong allegiances, create rivalries, and symbolize a city or even a country. Think of Brazil with soccer, Canada with hockey, Norway with skiing, Kenya with running, and so forth.[read more]

Heading to the Field: the Urban Decarbonization Research Project

August 27, 2015 by Laura Tozer

Cities are increasingly adopting ambitious greenhouse gas emission reduction targets, such as 80% reductions by 2050. To make that ambition a reality, people in cities are trying out new initiatives ranging from local government’s financial incentives for solar energy to community group’s efforts to develop alternative, low-carbon economies using sharing. However, research has shown that these attempts are experimental and uncertain in their long-term impact.[read more]

Why Cities Should Invest in Beekeeping

Cities looking for sustainable economic growth might consider investing in a seemingly unlikely source: urban beekeeping. Contrary to what one might expect, urban bees survive better, produce more honey, and are healthier than rural bees.[read more]

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How Sustainable Cities Collective Members Are Building a Better Future

July 29, 2015 by David Thorpe
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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]

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]

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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]

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Why Cities Need Youth Innovation for a Low Carbon Future

July 24, 2015 by Ivan Bruce

Young winners, designers of a walking app

More than ever, we need young people involved in creating sustainable cities. This can be achieved by establishing and strengthening networks that provide opportunities for young aspiring entrepreneurs and innovators to get involved and learn from like-minded groups of individuals on a global scale.[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]

10 Strategies for a Stronger, Greener Economy for Cities

Cities can face a bright dawn

Created and released by the Global Economy and Climate Commission two weeks ago, “Seizing the Global Opportunity: Partnerships for Better Growth and a Better Climate” outlines a global action plan with 10 recommendations for combating climate change without sacrificing economic growth.[read more]