Here are eight startups developing technological solutions to global urban problems

An artist's impression of Green City Solutions' City Tree in action in Paris. Image: Green City Solutions.

Across the world, the accelerating wave of urbanisation is contributing to greater, more complex challenges for cities that require an urgent response.

Air pollution, to take one example, is choking cities and citizens, a growing problem across the developing world and in burgeoning cities in developed nations. The World Health Organization warns pollution is causing millions of premature deaths, urging action including more green spaces in cities.

One innovative startup in Berlin, GreenCity Solutions, has built a revolutionary urban air filter – The City Tree – combining air purifying, specialized-moss cultures and the latest in Internet of Things (IoT) technology. The storey-high, free standing and largely self-sustaining CityTree packs the air filtration power of 275 trees into a tiny fraction of the space and maintenance cost.

In cities around the globe, startups and social enterprises are developing inventive, technology-driven solutions to tackling urban challenges. GreenCity Solutions is one of these game-changing companies, and has been recognized as a Global Urban Innovator by the NewCities Foundation, an international nonprofit dedicated to making cities connected, inclusive, healthy and vibrant.

The Global Urban Innovators program is designed to recognse innovative young companies that are reimagining new solutions from the ground up – and in effect, shaping the cities of tomorrow.

The 2017 Class of Global Urban Innovators, announced on 2 May, is global in scope and features technological solutions and products that are leveraging IoT, artificial intelligence, and cutting-edge data production and analysis to improve everyday life for residents of cities and enhance the life of the city itself.

The innovations that enhance the human experience range from Green City Solutions’ clean air creating technology to Safetipin, a mobile app created in the Indian city of Gurgaon,  that crowdsources and relays public security information. Safetipin recently completed a street safety audit for New Delhi, including data from over 60,000 users, while at the same time offering digital tools for ensuring a safe trip home for women across the city.

Others improve our experience traveling in cities, such as Songdo-based Alt-A, a sensor technology and data-crunching effort to make the streets safer through alert systems, and 3D-mapping analytics of vehicle-human traffic flows. In San Francisco, Spin is reimagining bikesharing with a fleet of GPS-equipped smart bikes that are unlocked using a mobile app and can be dropped off at any bike parking spot.

Cape Town-based WhereIsMyTransport, an open platform providing a detailed look at formal and informal public transport options in African cities, both improves experience for users and provide emerging cities with crucial transportation data for better planning.

“We believe in the potential of reliable and openly available public transport data to empower and transform emerging cities,” says Devin de Vries, co-founder of WhereIsMyTransport. “Our technological solutions make this possible.”


Meanwhile, innovators are also leveraging technology to tackle problems that affect the life of the city itself, at operations level, street level and delivery of services. Where cities everywhere continue to struggle with effective public consultation, ZenCity, in Tel Aviv, is showing how Artificial Intelligence can unlock new opportunities for digital engagement, capturing residents’ perceptions of the city across social media, the web and traditional channels such as 311 calls. 

And Small Change is creating large changes in the way Pittsburgh connects much needed finance for high-impact neighborhood urban development projects through equity crowdfunding.

IoT technology is also creating opportunities to reimagine how cities deliver their most essential services. Paris-based CityTaps partners with city utility companies and, through smart water meters and mobile money, is making the case for equitably delivering urban utilities. 

“Our vision is to bring running water to every urban home in the developing world,” says Grégoire Landel, CEO of CityTaps. “With access to water, public health is greatly improved while saving time and money for the urban poor.” 

In cities around the world, urban innovators are seizing the potential of emerging technologies, as well as the need to collaborate with those driving innovation. The Global Urban Innovators count among the most promising and most advanced projects anywhere. 

These forward-thinking entrepreneurs will take the stage at the NewCities Summit – the NewCities flagship event – in Incheon Songdo, South Korea from 7-9 June, where a global community of experts will delve into the new realities facing today’s cities with a focus on the theme Thriving Cities: The Building Blocks of Urban Wellbeing

The wider implications of the disruptive use of technology bring to the forefront this urban era’s most important questions and, possibly, some innovative answers. Exploring these questions and their impact on the city through the eyes of today’s innovators themselves will be crucial for building urban well-being in the years and decades to come.

Thomas Ledwell is director of communications, and Adam Cutts research coordinator, at NewCities.

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Coming soon: CityMetric will relaunch as City Monitor, a new publication dedicated to the future of cities

Coming soon!

Later this month, CityMetric will be relaunching with an entirely new look and identity, as well as an expanded editorial mission. We’ll become City Monitor, a name that reflects both a ramping up of our ambitions as well as our membership in a network of like-minded publications coming soon from New Statesman Media Group. We can’t wait to share the new website with you, but in the meantime, here’s what CityMetric readers should know about what to expect from this exciting transition.  

Regular CityMetric readers may have already noticed a few changes around here since the spring. CityMetric’s beloved founding editor, Jonn Elledge, has moved on to some new adventures, and a new team has formed to take the site into the future. It’s led by yours truly – I’m Sommer Mathis, the editor-in-chief of City Monitor. Hello!

My background includes having served as the founding editor of CityLab, editor-in-chief of Atlas Obscura, and editor-in-chief of DCist, a local news publication in the District of Columbia. I’ve been reporting on and writing about cities in one way or another for the past 15 years. To me, there is no more important story in the world right now than how cities are changing and adapting to an increasingly challenging global landscape. The majority of the world’s population lives in cities, and if we’re ever going to be able to tackle the most pressing issues currently facing our planet – the climate emergency, rising inequality, the Covid-19 pandemic ­­­– cities are going to have to lead the way.

That’s why City Monitor is going to be a global publication dedicated to the future of cities everywhere – not just in the UK (nor for that matter just in the US, where I live). Our mission will be to help our readers, many of whom are in leadership positions around the globe, navigate how cities are changing and discover what’s next in the world of urban policy. We’ll do that through original reporting, expert opinion and most crucially, a data-driven approach that emphasises evidence and rigorous analysis. We want to arm local decision-makers and those they work in concert with – whether that’s elected officials, bureaucratic leaders, policy advocates, neighbourhood activists, academics and researchers, entrepreneurs, or plain-old engaged citizens – with real insights and potential answers to tough problems. Subjects we’ll cover include transportation, infrastructure, housing, urban design, public safety, the environment, the economy, and much more.

The City Monitor team is made up of some of the most experienced urban policy journalists in the world. Our managing editor is Adam Sneed, also a CityLab alum where he served as a senior associate editor. Before that he was a technology reporter at Politico. Allison Arieff is City Monitor’s senior editor. She was previously editorial director of the urban planning and policy think tank SPUR, as well as a contributing columnist for The New York Times. Staff writer Jake Blumgart most recently covered development, housing, and politics for WHYY, the local public radio station in Philadelphia. And our data reporter is Alexandra Kanik, whose previous roles include data reporting for Louisville Public Media in Kentucky and PublicSource in Pittsburgh, Pennsylvania.

Our team will continue to grow in the coming weeks, and we’ll also be collaborating closely with our editorial colleagues across New Statesman Media Group. In fact, we’re launching a whole network of new publications this fall, covering topics such as the clean energy transition, foreign direct investment, technology, banks and more. Many of these sectors will frequently overlap with our cities coverage, and a key part of our plan is make the most of the expertise that all of these newsrooms combined will bring to bear on our journalism.

City Monitor will go live later this month. In the meantime, please visit citymonitor.ai to sign up for our forthcoming email newsletter.


As for CityMetric, some of its archives have already been moved over to the new website, and the rest will follow not long after. If you’re looking for a favourite piece from CityMetric’s past, for a time you’ll still be able to find it here, but before long the whole archive will move over to City Monitor.

On behalf of the City Monitor team, I’m thrilled to invite you to come along for the ride at our forthcoming digs. You can already follow City Monitor on LinkedIn, and on Twitter, sign up or keep following our existing account, which will switch over to our new name shortly. If you’re interested in learning more about the potential for a commercial partnership with City Monitor, please get in touch with our director of partnerships, Joe Maughan.

I want to thank and congratulate Jonn Elledge on a brilliant run. Everything we do from here on out will be building on the legacy of his work, and the community that he built here at CityMetric. Cheers, Jonn!

In the meantime, stay tuned, and thank you from all of us for being a loyal CityMetric reader. We couldn’t have done any of this without you.

Sommer Mathis is editor-in-chief of City Monitor.