Denver and Paris are leading cities in a climate and sustainability transformation.
Paris needs to become a “15-minute city.” That’s the message from the manifesto of Mayor Anne Hidalgo, who is seeking re-election this March. Hidalgo has been leading a radical overhaul of the city’s mobility culture since taking office in 2014, and has already barred the most polluting vehicles from entry, banished cars from the Seine quayside and reclaimed road space for trees and pedestrians. Now, she says, Paris needs to go one step further and remodel itself so that residents can have all their needs met—be they for work, shopping, health, or culture—within 15 minutes of their own doorstep. Taken at a citywide level, it would require a sort of anti-zoning—“deconstructing the city” as Hidalgo adviser Carlos Moreno, a professor at Paris-Sorbonne University, puts it. “There are six things that make an urbanite happy” he told Liberation. “Dwelling in dignity, working in proper conditions, [being able to gain] provisions (for life), well-being, education and leisure. To improve quality of life, you need to reduce the access radius for these functions.” That commitment to bringing all life’s essentials to each neighborhood means creating a more thoroughly integrated urban fabric, where stores mix with homes, bars mix with health centers, and schools with office buildings.
Denver’s 80×50 Climate Action Plan was adopted to drive action on the long-term greenhouse gas reduction goal of reducing emissions 80 percent by 2050, including converting the city to 100 percent renewable electricity by 2030. To lay the groundwork for that effort, the city has accelerated adoption of electric vehicles, which will help clean up our air; installed charging stations all over town; changed our parking system to provide favored status for electric vehicles; and committed to converting the city’s fleet vehicles to electric vehicles are applicable. Denver is also implementing a project to deploy cutting-edge air pollution sensor technology to create a city-wide air quality monitoring network at public schools, resulting in better informed policy decisions using environmental and health data.
With the conversion of 44,000 street lights to high efficiency LED bulbs, the city will save millions of taxpayer dollars annually, and achieve a 50 percent reduction in energy use, reduced greenhouse gas emissions and no carbon footprint. Through the Energize Denver program, the city incentivized more green buildings through a “stretch” code that rewards building owners for going beyond Denver’s minimum requirements, and improvements to the Green Roof Ordinance have given building owners much more flexibility in how to achieve the results supported by the voters. These actions and more led Denver to become one of the first cities in the U.S. to achieve platinum-level certification in the new LEED for Cities program.
Paris Mayor: It’s Time for a ’15-Minute City’ by FEARGUS O’SULLIVAN in City Fix, FEBRUARY 18, 2020
In her re-election campaign, Mayor Anne Hidalgo says that every Paris resident should be able to meet their essential needs within a short walk or bike ride.
Paris needs to become a “15-minute city.” That’s the message from the manifesto of Mayor Anne Hidalgo, who is seeking re-election this March. Hidalgo has been leading a radical overhaul of the city’s mobility culture since taking office in 2014, and has already barred the most polluting vehicles from entry, banished cars from the Seine quayside and reclaimed road space for trees and pedestrians. Now, she says, Paris needs to go one step further and remodel itself so that residents can have all their needs met—be they for work, shopping, health, or culture—within 15 minutes of their own doorstep.
Even in a dense city like Paris, which has more than 21,000 residents per square mile, the concept as laid out by the Hidalgo campaign group Paris en Commun is bold. Taken at a citywide level, it would require a sort of anti-zoning—“deconstructing the city” as Hidalgo adviser Carlos Moreno, a professor at Paris-Sorbonne University, puts it. “There are six things that make an urbanite happy” he told Liberation. “Dwelling in dignity, working in proper conditions, [being able to gain] provisions (for life), well-being, education and leisure. To improve quality of life, you need to reduce the access radius for these functions.” That commitment to bringing all life’s essentials to each neighborhood means creating a more thoroughly integrated urban fabric, where stores mix with homes, bars mix with health centers, and schools with office buildings.
This focus on mixing as many uses as possible within the same space challenges much of the planning orthodoxy of the past century or so, which has studiously attempted to separate residential areas from retail, entertainment, manufacturing, and office districts. This geographical division of uses made sense at the dawn of the industrial era, when polluting urban factories posed health risks for those living in their shadows. Car-centric suburban-style zoning further intensified this separation, leading to an era of giant consolidated schools, big-box retail strips, and massive industrial and office parks, all isolated from each other and serviced by networks of roads and parking infrastructure. But the concept of “hyper proximity,” as the French call it, seeks to stitch some the these uses back together, and it’s driving many of the world’s most ambitious community planning projects.
- Barcelona’s much-admired “superblocks,” for example, do more than just remove cars from chunks of the city: They’re designed to encourage people living within car-free multi-block zones to expand their daily social lives out into safer, cleaner streets, and to encourage the growth of retail, entertainment, and other services within easy reach.
- East London’s pioneering Every One Every Day initiative takes the hyper-local development model in a slightly different direction, one designed to boost social cohesion and economic opportunity. Working in London’s poorest borough, the project aims to ensure that a large volume of community-organized social activities, training and business development opportunities are not just available across the city, but specifically reachable in large number within a short distance of participants’ homes.
- In Portland, Oregon, walking-distance-limited neighborhood planning is seen as central to climate action: The city aims to cover 90 percent of the city in so-called “20-minute neighborhoods,” where all basic needs—with the exception of work—can be reached within a third of an hour of walking time.
- In Australia, Melbourne rolled out a similar pilot in 2018.
Hidalgo’s aspirations for Paris build on this idea, but with a local twist. The goal travel time is reduced to 15 minutes, but bike journeys can count. And while it likewise underlines the importance of stores and doctors, it also includes cultural activities and workplaces within its central aspirations.
In Paris, this isn’t necessarily such a tall order. The mayor oversees only the 2.2 million residents of the city’s heavily populated historic core, which already enjoys some of the use-mixing that the 15-minute-city concept encourages, thanks to its pre-industrial roots. Paris would have an easier time with the concept than say, sprawling Melbourne, where more radical residential densification may be in order.
Paris en Commun’s manifesto sketches out some details for what this future walkable, hyperlocal city would look like. More Paris road space would be given up to pedestrians and bikes, with car lanes further trimmed down or removed. Planning would try to give public and semi-public spaces multiple uses—so that, for example, daytime schoolyards could become nighttime sports facilities or simply places to cool off on hot summer nights. Smaller retail outlets would be encouraged—bookstores as well as grocery stores—as would workshops making wares using a “Made in Paris” tag as a marketing tool. Everyone would have access to a nearby doctor (and ideally a medical center), while sports therapy facilities would be available in each of the city’s 20 arrondissements.
To improve local cultural offerings, public performance spaces would be set up, notably at the “gates” of Paris — the large, currently car-dominated squares around the inner city’s fringe which once marked entry points through the long-demolished ramparts. Finally, Paris would be populated by a network of “citizen kiosks”—booths staffed by city employees that would offer not just information, but also community cohesion services. Think places where you can drop off and pick up keys, join a local club or buy compost for your balcony plants.
Paris en Commun provides some glimpses of what this more self-sufficient, neighborhood-oriented city might look like.

The (imaginary) triangular intersection below resembles the current state of many in Paris; there’s some public pedestrian space, but it remains hemmed in by cars, both mobile and parked, and genuinely safe space for pedestrians is limited.

After a superblock-style transformation, several neighborhood streets have been stripped of cars and no longer act as through-routes. This frees up room for new public space, with a small park at one end and a produce garden for residents at the other. New trees, green roofs and balconies, and a fountain would help mitigate the heat island effect and make the area a more pleasant place to linger. Meanwhile, the crossing space has ballooned in size, providing greater priority for pedestrians.

In December, transit strikes in Paris in protest of national pension reform gave Parisians an accidental taste of what a 15-minute-city future would look like, at least in terms of the hugely enlarged volume of cyclists on the city’s roads while bus and Metro service was halted. At some points during the strikes (which are still ongoing), bikes started to outnumber cars by two to one—a premonition of what might be to come.
Still, piecing together an entire modern working city around this 15-minute rubric would pose a challenge. In addition to its residents, central Paris attracts vast numbers of tourists who must be fed, housed and transported from neighborhood to neighborhood. Millions more commute into the city for work on regional transit from the vast greater Paris metro area. The people living in self-sufficient squares like the one above might find their rents rise along with the charm. And Paris can’t be transformed into a city that solely serves the needs of affluent locals.
Just how Hidalgo would execute the infrastructural changes required remains to be seen. She appears well-positioned to stay in City Hall: She’s leading in the polls (and one of her rivals has pulled out of the race after a sex scandal). Her office has not announced any specific budget or timetable for the 15-minute city concept, which remains perhaps more of a rough blueprint for the future than an imminent makeover, should she be re-elected in March. As a rethink of the way cities should be planned—and exactly who they should serve, and how—it’s an idea that other cities are likely to watch with great interest.
Feargus O’Sullivan is a contributing writer to CityLab, covering Europe. His writing focuses on housing, gentrification and social change, infrastructure, urban policy, and national cultures. He has previously contributed to The Guardian, The Times, The Financial Times, and Next City, among other publications.
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Secret Villains Behind Traffic Violence: Auto Lenders
Americans have access to more car loans than ever — and they’re buying pedestrian-killing SUVs.
Americans are taking on more debt than ever at the car dealership — and the rise in risky auto lending has everything to do with our national rise in pedestrian fatalities.
The total amount that Americans owe on their cars rose a shocking 75 percent from 2009 to today, according to a new report from the Frontier Group. But the trouble isn’t just that more people are buying cars they can’t afford. It’s that lax lending policies are allowing them to pick huge, expensive cars — and, as Streetsblog has documented, the bigger the car, the more lethal it is to pedestrians.
SUVs and light trucks have become the vehicle of choice for U.S. drivers over the last decade, grabbing a record 70 percent of the market in 2019. That’s a stark contrast from 2009, when Americans tightened their belts in the wake of the financial crisis and opted for cheaper rides. Smaller cars outsold assault vehicles just 10 years ago — but as the economy recovered, so did buyers’ appetites for big cars.
And as cars got bigger, more pedestrians started dying. Many media outlets have connected the 10-year explosion in pedestrian fatalities to the growing number of SUVs on our streets, largely because more massive cars strike walkers at the head and neck rather than at the chest or the knees, which is less fatal.
We can stop this trend — and reforming the car-loan industry could be a crucial step. But how did we get here?
Easy money for killer cars
A raft of factors contributed to the rise of the mega-car on American roads: Low gas prices, consumer perceptions that big vehicles are safer, and a strong jobs market all played a role. But though the influence of loosening auto-lending standards on SUV purchases is less well-documented, it shouldn’t surprise us that, when you give consumers in an SUV-obsessed culture easy access to large auto loans, many will pick the biggest car they can get their hands on.
And when we say “easy access,” we really do mean easy. In the wake of the financial crash, the auto-loan industry not only expanded access to high-interest “subprime” loans for borrowers with low credit scores — a predatory tactic that leaves low-income vehicle owners vulnerable to default. It also extended the life of the average loan — 42 percent of auto loans issued in 2017 carried a term of six years or longer, compared to just 26 percent in 2009.
“It changes a person’s calculus of what car they should buy,” said Frontier Group policy analyst R.J. Cross. “In the era of Netflix and endless monthly subscription services, people are starting to determine how much they can afford not by the sticker price, but in terms of what they’ll actually pay per month. Cars are no different.”
A “low” monthly payment is a powerful incentive to pick a spendy SUV over a sensible sedan — and it opens up a new market of buyers who otherwise might have chosen a smaller, cheaper car that would be less lethal to a pedestrian in a crash.
The rise in “roll over” financing has been a boon to SUV dealers, too. Increasingly, car dealerships allow buyers who trade in old vehicles with outstanding loans to add their unpaid balance to their new car payment. The practice allows drivers to upgrade to bigger cars they can’t really afford even before their current ride is paid off — and puts them at huge financial risk if they can’t make the new-car payment.
Ballooning car loans leave drivers stranded
But whether or not they realize it, drivers who take on big loans for big cars are getting a raw deal.
The average American household already spends about 13 percent of its income on transportation — a proportion that will only rise as Americans get more access to loans at the dealership. It’s not hard to imagine what will happen to a nation full of debt-saddled drivers in the event of an economic downturn: mass repossession.
“In the wake of the financial crisis, we think people reasoned that, well, if worst came to worst and I lost my house again, I’d still have a car, and at least I’d be able to get to work,” Cross says. “But what if you took on so much car debt that you can’t afford the payment anymore? What if you lost your car, too?”
If our collective car-loan burden is bad news for individual families, it could be even worse news for the national economy. While the ballooning auto-loan industry isn’t exactly a “bubble” in the way that the 2008 mortgage industry was — the average new car only holds about 35 percent of its value five years after its driven off the lot, which means that almost all auto borrowers are technically “underwater” on their loans — a car-repossession crisis would still be devastating in auto-dependent communities. And because almost all American cities are auto-dependent, that’d be a disaster for the entire GDP. In most American cities, even the poorest workers rely on their cars to commute to their place of business — or drive to the store and support anyone else’s.
But even if such a crisis never happens, the auto-lending balloon is still a national concern for one reason: because it’s helped unleash a growing number of pedestrian-killing SUVs and trucks on American streets. We need to use every weapon in our arsenal if we want to reverse our horrifying traffic-violence trends; perhaps reforming the auto-loan industry should be the one we reach for next.