CityChangers have the know-how, stress-tested projects, and innovative policy ideas worth shouting about, but it takes more than being an expert to influence our peers. Captivating presentations take practice – and it’s a different...
A place to get inspired, learn, share ideas and knowledge, and connect with the world's most inspiring urban voices: This is what we want CityChangers.org to be for you. Welcome to your new online...
This article was written by and for the C40 Knowledge Hub, which delivers cutting-edge insights and practical resources from leading climate cities for others working in city government. It was originally published here in September 2020. We’re featuring...
Critical Concrete was formed in 2015. Since then, they have been combining sustainable constructions work, renovations, educational programmes, and research projects to enhance socially beneficial buildings that support community cohesion, accessibility, and equity.
In the...
In the 21st century, we are witnessing the erosion of the “human” habitat. Too many American cities are designed in ways that instigate fear, isolation and insecurity. As an engineer and urban planner, Cornelia...
Katja Diehl's podcast #SheDrivesMobility is "dedicated to the mobility transition, the path towards true choice-based mobility that makes the privately owned car replaceable by real alternatives as much as possible. I want everyone...
Do you want to know how to reduce the dominance of cars on your streets and make them better places for pedestrians? This how-to guide sets out seven easy ways that you can make...
Specialising in new community-based urban culture, placemaking, street art, and co-creation, Jaakko Blomberg believes in the power of people; in their power to change cities. And his formula? “It’s easier to ask forgiveness than...
How to incorporate greenery into urban spaces? Where to put green spaces in a densely populated area? Putting them on a roof is a way to go! The benefits of green roofs are being...
Once every year a ‘World Car Free Day’ takes place in various big cities around the world. If your city does not yet host a car-free event, keep reading this guide on how to...
Big cities can learn a lot from smaller communities. Dunleer, a town in the northeast of the Republic of Ireland, has managed what many larger places have struggled to do: excite people about retrofitting....
In our throwaway culture, binning a broken object and buying a replacement is often the easiest, and cheapest, solution. But the take-make-waste economy has serious costs – for the environment and for society.
So, what...
It’s easy to forget we share our space in the city with other creatures. Either being small and almost invisible to the unobservant eye or being right there, planted in front of your front...
Construction traffic is costly, dangerous and awfully polluting. A promising tool to radically reduce traffic are construction consolidation centres (CCC) or urban logistics hubs. At CCCs, construction materials are stored, traffic in and out...
The European Union gives out funding worth millions of Euros each year. Luckily, a lot of these funds are spent on projects committed to the decrease of CO2 emissions and the increase of sustainable...
When you think of New York, what is the first thing that comes to your mind? Cycling is probably not on top of your list. It seems dangerous, especially for outsiders, but this is...
Cars have been part of our cities and our lives for decades now. They’re comfortable, they can take us almost everywhere, they suit our lifestyle, and they are advertised to become more and more...
With a background in architecture and sociology, Bronwen Thornton started her career in government, keenly interested in social justice issues. Attending the Walk21 conference in 2001, she had an epiphany – walking is where...
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