From www.howgreenisyourcity.com:

In our peak oil, post-Katrina world, how do America's largest cities stack up in terms of sustainability? Which cities are more self-reliant and better prepared for our uncertain future? Which cities are operating business-as-usual?

How Green is Your City? is the outcome of a sustainability study involving the largest 50 cities in the US, compiled by SustainLane in 2006. This study, also known as the SustainLane US City Rankings, measures each city's performance in 15 areas of urban sustainability. Among these areas:

• Public transit use
• Air and tap water quality
• Planning/land use
• Affordability
• Energy/climate change policy
• Local food/agriculture

The resulting comparisons provide a snapshot of urban sustainability in the US today. Leading the pack is Portland, Oregon, with its high quality of life and commitment to green building, local food, alternative fuels and renewable energy, while Columbus, Ohio, with its dependence on the automobile and poor public transit, ranks at the bottom.

How Green is Your City? serves as an in-depth analysis of each major city's management policies, strengths and challenges, as well as a survey of where clean technologies might break new ground to expand job-markets and tax-bases across the country. It will appeal to city planners, legislators, green businesses, as well as anyone interested in their quality of life and making their city a more sustainable place.

The City Rankings: Abridged Version Available Online

An abridged version of the SustainLane City Rankings is available online.

About the Author

Warren Karlenzig, Chief Strategy Officer of SustainLane, directs the SustainLane US City Rankings, a peer-reviewed sustainability benchmarking of the largest 50 U.S. cities. Karlenzig has been editor in chief of Knowledge Management magazine and sustainability consultant for the federal government (US EPA, White House Office of Science and Technology) and the state of California. He is also author of A Blueprint for Greening Affordable Housing (Global Green USA, PDF) and has appeared on CNN, CNBC, The Weather Channel's "Climate Code" and in The New York Times and The Wall Street Journal. His blog is www.greenacity.com.

About SustainLane

SustainLane is an internet and media company bringing green to the mainstream. Its strategy encompasses tools for state and local government, consumer exploration of green products, as well as multimedia projects to educate and entertain.

In 2005, SustainLane established its first benchmark study of US City sustainability to recognize local government as a significant operator in energy security, climate change mitigation, and sustainable development. In 2006, SustainLane conducted another study with over two thousand data points and new primary research.

Current projects at SustainLane include SustainLane Government, an online knowledge base of best practices in state and local government, and The Unsustainables, a cartoon world of everyday greens stumbling towards the future.

From www.sustainlane.com/us-city-rankings:

SustainLane 2006 US City Rankings

The SustainLane 2006 US city rankings of the 50 largest cities is the nation’s most complete report card on urban sustainability. The rankings explain how people’s quality of life and city economic and management preparedness are likely to fare in the face of an uncertain future. These indicators gauge, for instance, which cities’ public transit, renewable energy, local food, and development approaches are more likely to either limit or intensify the negative economic and environmental impacts of fossil fuel dependence.

Since the first SustainLane US City Rankings came out in Spring 2005, world events have made “sustainability” an even more vital concept. Hurricane Katrina has shown how vulnerable city dwellers can be, and also how our nation’s economy and way of life is dependent on often-unpredictable natural and market forces. After Katrina and Rita hit in late summer 2005 destroying New Orleans and Gulf oil processing facilities, gas prices shot up. Prices subsided only to move up again in 2006 to record levels because of global political events combined with steadily growing demand for oil in Asia.

Neither world politics nor global oil supplies are expected to be stable until the end of the decade or beyond. And the carbon emission-created global warming of the Atlantic's water temperatures is influencing more stronger-than-average hurricane seasons. So the term 'sustainability,' officially defined as meeting the needs of the present generation so it doesn't compromise the quality of life for future generations, has taken on new urgency.

Quality of Life and Clean Technologies

Besides city energy crisis preparedness and natural disaster risk, SustainLane's rankings cover quality-of-life indicators such as local food availability, tap water quality, air quality, walkability, park space and roadway congestion.

Providing an atmosphere for healthy living is only part of the picture. To illustrate the path cities need to take to maintain regional economic competitiveness, SustainLane's city rankings track the growth of complementary clean technologies providing jobs and tax base expansion. Exciting developments in renewable energy, advanced transportation, alternative fuels and green building technologies are emerging in and around U.S. cities because of city policies and practices, combined with venture capital investment and consumer demand.

Why Rank or Focus on Cities?

The prosperity of cities and metro areas is critical because for the first time in history they represent the majority of the world's population. Unlike nations or even states, cities are sited in specific climates with distinct economic qualities and geographic features. Wind turbines, tidal energy and locally produced biofuels capitalize on geographic differences. Local food system development and green building approaches also are the result of regional geographies and climates--food systems and architecture can be further enriched by local cultural and historic preferences and knowledge. 

The local nature of every city's economy is reinforced by tax bases, school districts, elections, sporting teams, events, seasons and even the weather. Residents often identify first and foremost with their cities. And proximity to other residents and offices of local government means that many citizens are more directly engaged with their city than their state or nation.

In many cities, you can meet your city's mayor, or at least your elected city officials, without much difficulty or travel. This means that cities get feedback in near real time: when a subway line suddenly needs serious repair or when a water main breaks, city management usually finds out the same day. Said Mayor Greg Nickels of Seattle, which was ranked #3 in SustainLane's city rankings, 'I've worked in local government my entire adult life. Because it's a place where you can make a difference: you can roll up your sleeves every day and at the end of the day see the difference you've made.'

Because of all the local cultural, economic and political influences, cities are the ideal geo-political medium for sustainability-related improvements, pilot projects and awareness campaigns.

What Makes a City #1?

The SustainLane US City Rankings focus on the many ways in which city policies and practices differ from one another and how that affects the people living in those places. This year's #1 most sustainable city, Portland, captured the top spot with an all-around good to great performance in most every category we analyzed. Ranked below average only in affordability and natural disaster risk, Portland excels in clean technology and green building development, overall quality of life, and in sustainability planning and management.

How did Portland get the top spot? People in the city identify with having a high quality of life more than in most cities. They work hard at being involved in city policy, boards, projects and practices that impact sustainability.

Said Portland's Mayor Tom Potter, 'We're definitely proud to be recognized by SustainLane for all the ways Portland's citizens and businesses are working together to create a more sustainable community. In Portland the local governments are leaders for sustainability but it's really the grassroots actions from the neighborhoods and the businesses that make this a special place. The City is buying renewable power and conserving energy, and so are tens of thousands of residents. The City has a green building policy, but it's the builders and developers and buyers who actually change the market. It's the people who shop at the farmers markets, the growers who manage their farms sustainably, the folks who choose to bike or take the bus to work, and all those day-to-day decisions that are making a huge difference.'

Now Portland is using its sustainability ethos to attract businesses, residents, tourists and conventions. Its city slogan, "It's Not Easy Being Green, " reflects a marketing savvy that gives the city national currency as one of the capitals of a powerful emerging domestic economy.

Other cities are involved in leading the way as well: Chicago in renewable energy and urban greening; Boston, Minneapolis and Oakland in local food development; Denver in citywide transit oriented development; and Atlanta in green building.

Next Step: Best Practices

Many government departments at the city, county, and state level are now writing sustainability policy for the first time and learning from lead cities such as Chicago, Oakland, and Minneapolis. "Best Practices" are useful for this because they show what has already succeeded. This is the next step: communication. Cities, counties, and states need to talk to each other and share best practices.

One place they are already doing this is SustainLane Government, which is designed exclusively to speed research for citizens, civic groups, and those writing policy and programs for urban sustainability.

The specific innovations being implemented by our many cities need to be showcased and circulated, so that communities across the nation can find the solutions they need.