September 3, 2011, 7am PDT
President Obama has directed EPA Administrator Lisa Jackson to drop proposed regulations that would have reduced ozone (smog), handing a victory to Republicans and industry that had opposed them, to the dismay of the environmental community.
August 2, 2011, 7am PDT
Fox News Latino reports on a Public Policy Institute of California poll that shows both clean air and climate change rank higher as a concern for Latinos and blacks than fowhites and Asians.
July 25, 2011, 8am PDT
Not that it's a real surprise that trees clean the air, but a new study shows that greenery in cities can have a significant effect on air quality.
July 14, 2011, 8am PDT
A new Canadian study should be of interest to any urban cyclist concerned about his/her health. The study shows what is apparent to most cyclists already - smoking tailpipes, especially from diesel trucks and buses, can have serious health impacts.
Environmental Health News via San Francisco Chronicle
July 11, 2011, 9am PDT
Airlines argue in the European Court of Justice that the EU's Emissions Trading Scheme (ETS) is an overreach when imposed on flights to/from Europe.
July 8, 2011, 1pm PDT
The EPA announces new emissions standards for power plants that will "improve air quality for 240 million Americans living in states where the pollution is produced or where it travels downwind."
June 27, 2011, 9am PDT
Known for its puritanical environmental laws, California's shipping pollution standards just got tougher. The California Air Resource Board voted unanimously to expand the 2009 clean-fuel zone, which mandates ships to use less-polluting fuels.
June 3, 2011, 8am PDT
Mauricio Macri, the mayor of Buenos Aires, inaugurated Argentina's first bus rapid transit system today, marking its first day of operation.
April 16, 2011, 11am PDT
Manhattan's pedestrian plaza's are associated with increasing vitality, reducing congestion, and now this new study shows, improving air quality be reducing concentrations of nitrogen oxide (NO) and nitrogen dioxide (NO2)
March 12, 2011, 1pm PST
Unhealthy, smog-filled air has struck an unsuspecting locale: rural Wyoming.
December 1, 2010, 12pm PST
A new government-sponsored 'HazeCam' provides a running feed of downtown air pollution, with the aim of prompting local residents to reconsider their commuting habits.
November 22, 2010, 1pm PST
Lax enforcement of standards created to limit exhaust from idling diesel-powered vehicles and buses shows that there is still work to be done in Mayor Richard Daley's quest to position Chicago atop the list of the nation's greenest cities.
October 24, 2010, 9am PDT
In a unanimous vote on Oct. 21, the San Joaquin Valley Air Pollution Control District approved another 'first' air quality measure not done elsewhere: They supported charging Valley motorists for paying the $29 million ozone penalty set by the E.P.A.
September 21, 2010, 11am PDT
Hong Kong and Singapore are two thriving, rival Asian cities. But when evaluated in terms of livability, Hong Kong was rated #71 while Singapore scored #28. Singapore's cleaner air was considered a major factor. Hong Kong is making changes.
September 16, 2010, 12pm PDT
A new study says that improved environmental quality in office building leads to reductions in "work hours affected by asthma, respiratory allergies, depression, and stress."
July 4, 2010, 7am PDT
Arlington, TX Mayor Robert Chuck is also a physician, acutely aware of the effects of ozone air pollution in his city. In this Q & A with Grist's Jonathan Hiskes, he describes ozone's causes and effects and his role as mayor.
June 2, 2010, 11am PDT
Can health care costs be factored into transportation investments? Should they? The American Public Health Association says an emphatic 'yes' to both. Results are reported in a 12-page report that includes cost savings from walkable urban design.
March 1, 2010, 8am PST
The single largest source of air pollution in Southern California are the Ports of LA and Long Beach. Environmentalists, environmental justice advocates, and Teamsters are working together to replace offending diesel drayage trucks.
The New York Times - Business
January 8, 2010, 9am PST
The Environmental Protection Agency is releasing new air quality standards that will likely place hundreds of additional counties nationwide in violation.
December 28, 2009, 2pm PST
New air quality guidelines aimed at reducing the carbon footprint of new housing developments may turn out to hinder the approval of dense projects in California.