January 7, 2016, 7am PST
It's easy to focus on the sensational headlines based on the fraud committed by Volkswagen, but doing so masks the deadly and ongoing problems of diesel emissions plaguing the world's densely populated cities.
December 29, 2015, 7am PST
Unusually mild and dry weather in much of Italy has worsened air quality so much that city governments are acting to reduce emissions from one of the chief sources of air pollution by enacting odd-even license restrictions on driving.
The New York Times - Europe
December 21, 2015, 6am PST
After a decade of development, Paris' first EcoDistrict launched this year. Built in place of a disused train station, the district features offices, housing, and amenities built around clean and green principles.
December 15, 2015, 9am PST
Rail travelers are not subject to the same degree of security measures as air travelers according to security experts, reports Ron Nixon for The New York Times. Yet far more travel by rail than plane, and rail has been a terrorist target abroad.
December 13, 2015, 5am PST
After two weeks of negotiating in Paris, almost 200 countries agreed to a plan to reduce emissions, though not to the level supporters had hoped. Nonetheless, the COP21 agreement may be an 'inflection point in human history,' notes The Times.
The New York Times - Europe
December 12, 2015, 9am PST
Athlyn Cathcart-Keays of The Guardian-Cities chronicles the advancement of the international urban car-free movement as well as auto regulations that focus on air pollution. The most recent city to join the growing list is Oslo, Norway
December 4, 2015, 11am PST
Writing in The Guardian's Bike Blog, Peter Walker has an important message for the 40,000 delegates from 195 nations gathered in Paris for the COP21 talks: Don't discount the carbon-reducing, planet-saving potential of the bicycle.
December 4, 2015, 5am PST
A new study based on an analysis of the residents of Turin, Italy, a city of over 900,000, reveals that walkable access to public transit and urban services benefits mental health, particularly for women and seniors.
December 1, 2015, 1pm PST
It is now next to impossible to reside anonymously in a modern city. Why? Because data anonymization itself is almost impossible without using advanced cryptography. Our every transaction leaves a digital marker that can be mined by anyone...
November 16, 2015, 7am PST
Berlin's Senate has approved a sweeping reform of the city's housing policy, limiting rents on close to 400,000 public housing units to no more than 30 percent of a household income.
November 12, 2015, 5am PST
With a growing reputation for heavy local pollution, the city of Madrid will impose reduced speed limits and driving restrictions in its central core. On bad days, transit will be free to ride.
November 11, 2015, 2pm PST
Rankings from the International Association of Public Transport have Tokyo on top, followed by Beijing and Shanghai. New York comes in seventh.
October 18, 2015, 5am PDT
Two separate New York Times articles examine cars powered by electricity in Norway and diesel fuel in Britain and Western Europe in the wake of Volkswagen's emissions scandal. A critic of the Norway's e-car subsidies subtly ties the two together.
October 16, 2015, 11am PDT
Hilla Becher passed away earlier this month at the age of 81, leaving behind an influential legacy on the art and practice of architectural photography.
October 14, 2015, 6am PDT
One of the world's most popular navigation apps, Waze, has aggregated the data generated by 50 million users to develop a "Driver's Satisfaction Index." Perhaps surprisingly, auto-oriented Phoenix, Arizona leads all cities on the index.
September 28, 2015, 1pm PDT
We call them Open Streets events. In French it's Journée Sans Voiture. On September 27, the world saw a car-free Paris.
September 24, 2015, 6am PDT
Germany has reformed building codes in a marshaling of political will known as the "Culture of Welcome" for an expected one million refugees. German cities, many of them shrinking for decades, see the refugees as an opportunity and a responsibility.
September 22, 2015, 1pm PDT
Environmental sustainability on a national level is proving to be financially unsustainable on a local level for an island community in Norway that is counting on $20 tolls, with an electrical vehicle exemption, to pay off a $70 million tunnel.
September 10, 2015, 2pm PDT
An algorithm developed in Sweden adds an extra layer of reliability for rail commuters.
September 9, 2015, 7am PDT
In perhaps the most aggressive move in the young history of tactical urbanism, the City of Light will clear not just one street or neighborhood, but rather an entire district of cars for 'Une Journée Sans Voiture' September 27.