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greener cities and climate change

Efficient. Resilient. Responsible.

The battle against climate change will be won or lost in our cities. The path forward looks different in each city and community, but there are some common threads and best practices to start local conversations and plans. We recommend action on two fronts–audit and action.

First, establish your goals. What do you need to accomplish and when? What are the critical success factors? After setting goals, develop a task force to identify your city’s liabilities and assets. Make sure that the group is diverse and inclusive. Make sure that they have the authority to get critical information fast. How much electricity is being consumed off the grid each year? How much gasoline and diesel is being sold and burned locally each year? How much water is being consumed and how much wastewater is being produced? What are the growth trends?

Meanwhile, assemble a separate task force to start taking obvious actions that can save lives, save energy and save the planet. This plan can incorporate the audit results as soon as the information becomes available. Some easy action steps for most communities include the following:

Plentiful Parks: Parks are the “lungs of the city,” architect Frederic Law Olmsted famously said about New York’s Central Park. From the 500-year-old Giardino della Guastalla in Milan to downtown Houston’s new Discovery Green, parks provide both a place for harried city residents to take a deep breath, relax, and connect with nature, and a cooling counter to the heat-island effect created by all that asphalt. (Not to mention a buffer against flooding.) Green space has even been shown to improve physical and mental health.

Efficient Public Transportation: While commuters in Beijing, Dubai, and Lausanne, Switzerland, have shiny new metro systems to ride to work, transit authorities in Mexico City, Istanbul, and Los Angeles have cleared the way for buses by simply putting them in their own lanes. But whether they’re high-tech or humble, transit solutions that allow people to get around quickly and easily without a car are a key element to a green city. Electric vehicles and charging networks are gaining momentum.

Bike Lanes: While the density of cities makes them great in theory for getting around by bike, heavy traffic (and angry drivers) can make cycling unpleasant and even dangerous without designated lanes. The most bike-friendly cities create separated bike paths, provide parking (and even solar-powered showers!), institute bike-sharing programs, and allow cyclists to bring their bikes on buses for longer trips.

High-Profile Green Buildings: Showcase developments that seek to be the biggest, tallest, green building may get flak for their aesthetics or be seen simply as “window dressing” for governments and corporations seeking some green cred. But as long as they’re not all a city’s doing, a prominent, striking eco-friendly structure such as the San Francisco Federal Building or the green roof on Chicago’s city hall provides a very visible symbol of green intentions and draws attention to the latest technologies.

Comprehensive Recycling and Composting Programs: Yes, recycling is the classic individual environmental act, but it’s not much good without someone to provide conveniently placed bins and reliable collection. The greenest city initiatives are going further than gathering cans and bottles, by adding electronics and food waste to the list of items recycled and composted, and by instituting larger-scale programs to recycle water for industrial use.

trees and climate action

Urban Forestry: Our urban forests are a vital part of the equation.

Saving and planting trees offers multiple benefits:

  • Minimize energy consumption by strategically placing more trees near residential and commercial properties to help us minimize energy use;
  • Maximize tree placements along roadways, railways, and other open spaces to help offset carbon dioxide gases, while minimizing the heat-island effect in many urban areas;
  • Promote urban agroforestry initiatives;
  • Generate more oxygen, while minimizing air pollution;
  • Create and preserve urban habitat for wildlife; and
  • Use tree-planting events to help educate communities about carbon neutrality and energy management.

Mixed-use and Infill Development: Good planning is key to a green city. While other metropolises sprawl further and further out, Hamburg, Germany, is renovating its obsolete harbor into a walkable mixed-use neighborhood with office, retail, and residential space, while Sacramento, California, is giving new life to old alleyways. Such projects “recycle” existing space that’s already woven into the urban fabric, making them easy to get to and get around.

Green Leadership: Not every city official is going to be a “knight on a shining bicycle” like London Mayor Boris Johnson, who stopped an assault as he was cycling by. But government officials such as Atlanta Mayor Shirley Franklin, former Austin Mayor Will Wynn, and the city council of Marburg, Germany, are heroes in their own right for cleaning up their cities’ sewer systems, promoting wind power and biodiesel, and making solar installations mandatory on new and renovated buildings. An active citizenry provides leadership from the ground up to prod or encourage politicians in the right direction. Smart Energy Policies: Buying renewable energy and mandating efficiency measures are two ways a city can use its economic clout to help build a market for greener products while lowering its own environmental impact (and, often, operating costs). Phoenix, Arizona, for example, is boosting the amount of power it draws from renewable sources and constructing new city buildings to LEED standards, while San Francisco is building a big new solar array, Austin, Texas, is mandating home energy audits, and New York City is looking into offshore wind farms.

Good Green Fun: Going green shouldn’t be all work and no play, and the best green cities celebrate their eco-friendly lifestyles with farmers’ markets full of tasty (and unusual) treats, bars and restaurants serving the best organic fare, intriguing exhibits by ecologically minded artists, and music festivals that offer bike valet parking and solar-powered stages.

biosolids and prion disease

Sewage Management and Wastewater Reclamation: Sewage is the next frontier. Many cities are looking at wastewater reclamation and sewage sludge as assets. Unfortunately, both parts of the waste stream are liabilities that are being mismanaged now. It is a public health disaster and it is getting worse every day.

The largest prion pathway in the world is human sewage. Thanks to misinformation and mismanagement, cities are dumping tons of it daily on farms, ranches, forests, playgrounds, golf courses, parks, forests, and beyond. If you consider yourself a homeland defender, demand that the EPA and environmental protection agencies around the world update the risk assessments on the land application of sewage sludge, also known as biosolids. These agencies have been spreading pathogens and lies for more than 30 years. It has caused a public health disaster and an ecological disaster.

The EPA’s fraudulent risk assessments on wastewater reclamation and disposal of toxic sewage sludge are outdated and fail to account for radioactive waste, carcinogens, pharmaceuticals and more, not to mention a deadly and unstoppable form of protein known as a prion, which is shed from people with neurodegenerative disease via blood, saliva, urine, feces, mucus and other bodily fluids. Wastewater reclamation is an even bigger threat to public health than biosolids/sludge. This illegal dumping of infectious waste is reckless and it’s contributing to a public health disaster, not to mention its contribution to the rapid spread of chronic wasting disease among deer, elk, moose, reindeer and other mammals. Neurodegenerative disease is the fastest-growing cause of death in the world. Sewage isn’t fuel, fertilizer or a safe source of drinking water. Unfortunately, it’s the source of deadly and unstoppable disease. Safer alternatives exist.

Learn how to make your city more resilient.

Greener Cities

Greener Cities is a division of Crossbow Communications. Greener Cities is a resource for sustainable and resilient cities and communities around the world.

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Avatar Gary Chandler

Author: Gary Chandler

Gary Chandler is a sustainability strategist, author and advocate. Follow him on Twitter @Gary_Chandler