Why Urban Areas Are More Efficient Than Suburban Areas

It’s been known for years that urban centres have a lower carbon footprint than the lands of urban sprawl. This is a for a variety of reasons and it’s rather complex, sure most of it comes down to density, but the exact know how is still being figure out.

Over at Alternatives Journal they looked at how building sustainable cities makes better cities overall. This is how and why people make resilient cities.

FOR EXAMPLE, existing low-density suburban developments “actually increase the damage on the environment while also making that damage harder to see and to address,” wrote Green Metropolis author David Owen. Although Forbes ranked Vermont as the greenest US state in 2007, Owen’s 2009 article revealed that a typical Vermonter consumed 2,063 litres of gasoline per year – almost 400 hundred litres more than the US national average at that time. This vast consumption is primarily due to single-use zoning and the absence of a comprehensive public transit system. Contrary to popular belief, dense cities such as New York City typically have the lowest carbon footprints. NYC emits 7.1 tonnes of greenhouse gases per person per year, or less than 30 per cent of the US national average. This is due to its extreme compactness. Over 80 per cent of Manhattanites travel to work by public transit, by bicycle or on foot. Population density also lowers energy and water use, limits material consumption and decreases the production of solid waste. For example, Japan’s urban areas are five times denser than Canada’s, and the consumption of energy per capita in Japan is 40 per cent lower.

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Urban Living Cheaper, More Sustainable Than Suburban

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Years of car-focused suburban designs have unleashed problems in the 21st century that we will have to deal with and accommodate. The years of the suburbs are coming to an end and it can’t be soon enough. With every passing years more and more municipalities discover that urban design is the better choice.

The above image is composed of data taken from a report done by Halifax in 2005. Undoubtably the costs of supporting suburban households has only increased relative to urban housing.

Recently, the New Climate Economy released a report titled Analysis of Public Policies that Unintentionally Encourage and Subsidize Sprawl and advocates for a change to policies to encourage better urban design.

The report, Analysis of Public Policies that Unintentionally Encourage and Subsidize Sprawl—written for the New Climate Economy by the Victoria Transport Policy Institute, in partnership with LSE Cities—details planning and market distortions that foster sprawl, and smart growth policies that can help correct these distortions.

Sprawl increases the distance between homes, businesses, services and jobs, which raises the cost of providing infrastructure and public services by at least 10% and up to 40%. The most sprawled American cities spend an average of $750 on infrastructure per person each year, while the least sprawled cities spend close to $500. In its Better Growth, Better Climate report, the New Climate Economy has found that acting to implement smarter urban growth policies on a global scale could reduce urban infrastructure capital requirements by more than US$3 trillion over the next 15 years.

The New York Times ran an article on urban versus suburban costs back in 2010.

So we set out to do the math, based on an apartment and a house in the New York metropolitan area. Here’s what we found: a suburban lifestyle costs about 18 percent more than living in the city. Even a house in the suburbs with a price tag substantially lower than an urban apartment will, on a monthly basis, often cost more to keep running.

It’s very clear that as we populations grow urban design needs to focus on sustainable infrastructure planning and all of us should encourage it.

Better Urban Design Can Increase Happiness and Sexiness

Obesity is a growing problem in North America and it looks like this health issue will continue to grow. There are many contributing factors to what’s referred to as an obesity epidemic, and some designers think that we can curb at least one contributing factor: poor urban planning. Not coincidentally, places with a higher proportion of obesity have low density planning.

What if we changed the low density planning to something more walkable and liveable?

Walking and biking, on the other hand, not only make us fit, but they also both improve mental health. Oxytocin—the same chemical released during sex and breastfeeding, that reduces stress and increases trust and empathy—is released during outdoor exercise. (Indoor exercise, interestingly, doesn’t have the same effect).

There are many things that need to change in urban planning and design, but one of the most basic is this: we need to define success differently. Right now, engineers make many decisions based on something called “level of service”—basically, how long cars are delayed at certain points. Our goals should be based on people, not cars. Right now, a busy commercial street would be judged a transportation failure even though it’s a social and economic success. We need to change the way we measure, so designers can make the right decisions.

Read more at Good.is to find out where the sexiness comes in.

Fight Fat with Urban Design

People in urban centres walk more and are generally more active than those who live in the suburbs, which is great for urbanites but not so great for the health of suburban dwellers. Years of poor urban planning in the suburbs have had a negative effect on the health of those who live there, which is most visible in increased obesity rates. In the suburbs of Toronto, Peel region is leading in new urban planning that encourages people to live a healthier life.

Instead of telling people what they shouldn’t do they are encouraging people to live healthy through passive, barely noticeable ways.

The health-minded policies, many of them pushed through despite strong opposition, are starting to pay off, said Dr. Karen Lee, a Canadian who is the director of Built Environment and Active Design in the New York Department of Health and Hygiene.

She cited a 289 per cent increase in commuter cycling, a 37 percent drop in traffic fatalities, a 1.5 per cent decline in car traffic and a 5 per cent drop in car registration over the past decade. There’s even been a small reduction in the worrying statistics on childhood obesity.

Many of the ideas are environmentally friendly and accessible but not necessarily expensive, said Lee. Posting signs near elevators that read “Burn calories, not electricity” can boost stair usage by 50 per cent. Drinking safe tap water is better for the environment than expensive bottled water.

“Neighbourhoods that are well designed for pedestrians are usually well designed for people with disabilities,” she said.

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USA Urban Population Growth Outpaces the Suburbs

Regular readers know that in the modern world an urban lifestyle is more sustainable than a suburban lifestyle so it’s pretty good news to see that more people in the USA are moving into urban centres. America is where the suburbs started and have had the largest cultural impact and seeing a transition away from unsustainable suburban living in America is definitely a good thing!

Even among those who are buying homes rather than renting, there is a strong preference now for close-in locations, where sales prices driven by demand have increased while those in outer suburbs have plummeted. Where home purchase prices are still recovering, the recovery has been much stronger in inner, urban locations than in outer suburbs.

Roughly 52 of the 73 US cities with population of greater than 250,000 showed faster annual growth (or slower rates of losses) in 2011 than their average growth over the last decade. Primary cities in large metropolitan areas with populations of more than one million grew by 1.1 percent last year, compared with 0.9 percent in surrounding suburbs. Cities switching from declines to gains included Pittsburgh and Milwaukee, both previously written off by some as “shrinking cities” because of what was perceived as irreversible decline because of the loss of manufacturing.

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