April 29, 2014, 9pm PDT
The biggest mobility challenge in cities isn't about what comes out of a car's tailpipe - it's about the massive amount of space that cars demand. Space to drive in, and space to park in. When explaining this, these pictures are worth 1000 words.
March 8, 2014, 9am PST
First came plastic bags, then styrofoam cups, and now, plastic water bottles—though the ban is not as far-reaching as the former two in that it is restricted to sales on city property, including street fairs.
March 4, 2014, 11am PST
Chuck Wolfe's recent reconnaissance of Edinburgh provides a foil for his rallying cry: Going forward, let’s not discount the influence of history’s recurring themes in how we redevelop the urban realm.
March 4, 2014, 8am PST
With the target dates for the Millennium Development Goals set for 2015, the United Nations has begun to create a new set "Sustainable Development Goals." Some are calling for the new goals to include an urban focus.
January 9, 2014, 12pm PST
Over the last several decades, researchers have examined how our cities deplete natural resources and change the climate and ecosystems of their surrounding areas. But new evidence shows that such impacts aren't a purely modern phenomenon.
December 3, 2013, 5am PST
An innovative alliance of urban school districts is working to lower the cost of eco-friendly supplies and source more sustainable food. Their efforts could provide a template for other schools and large institutions.
November 15, 2013, 7am PST
Sure, reusing an existing building is probably the most sustainable method of construction, but a new neighborhood on Bainbridge Island, Washington sets an enviable standard for environmental responsibility in every aspect of its design.
November 9, 2013, 5am PST
What does it take to build sustainably? That a question that the USGBC's LEED program hoped to define. A group of developers in New York is trying to go beyond LEED to create "truly sustainable buildings".
September 30, 2013, 9am PDT
Five years after San Francisco hired its first sustainability director for the city's school system, the controversial decision is paying off in environmental benefits and substantial energy savings.
September 29, 2013, 5am PDT
A team of Canadian MBA students has won $1 million to alleviate urban hunger with insect-based foods, reports Mary Jander.
September 27, 2013, 1pm PDT
Abu Dhabi is updating its strategic development plan. Consultant Todd Litman reports on the city's recent urban planning charrette.
September 25, 2013, 12pm PDT
Improving our cities and suburbs is just as important to environmental sustainability as regulating pollution or conserving undeveloped land, argues Kaid Benfield.
September 7, 2013, 7am PDT
Siemens and C40 have announced the winners of the inaugural City Climate Leadership Awards, recognizing the global cities demonstrating leadership and innovation in fighting climate change across ten separate categories.
August 20, 2013, 2pm PDT
Critics have decried green labeling and certification programs as 'greenwashing' - offering the sheen of environmental responsibility without having a significant impact on sustainability. But Tensie Whelan argues such programs are having an impact.
August 8, 2013, 6am PDT
The term "sustainability" carries so much baggage that we're no longer able to talk about what we actually need to talk about. What can we do to depoliticize it?
July 19, 2013, 10am PDT
While cities are growing, it's comparatively easy to keep a healthy balance sheet. But for cities like Charlotte, managing the transition from a growth economy to economic sustainability is a treacherous one. Aaron Renn delivers a cautionary tale.
July 11, 2013, 9am PDT
Since 2009, the L.A. Department of Water and Power's Landscape Incentive Program has convinced 850 area property owners to replace their grass lawns with more sustainable plants, mulch, and permeable pathways. Now DWP is upping the ante.
June 13, 2013, 8am PDT
The research wing of the non-profit think tank Future Cape Town has produced an infographic that provides valuable insight into the mobility patterns found in some of Africa's largest cities. Less sustainable options are growing, raising concerns.
May 22, 2013, 9am PDT
Bob Graves discusses the concept behind Envision, "a holistic framework for evaluating and rating the community, environmental, and economic benefits of all types and sizes of infrastructure projects."
May 21, 2013, 10am PDT
Norwich, England will soon be home to the "greenest building in the U.K.," reports Mark Wilding.