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.
Jul 25, 2011 TheCityFix.com
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.
Jul 14, 2011 Environmental Health News via San Francisco Chronicle
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.
Jul 11, 2011 The Economist
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."
Jul 8, 2011 The New York Times
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.
Jun 27, 2011 The Los Angeles Times
Mauricio Macri, the mayor of Buenos Aires, inaugurated Argentina's first bus rapid transit system today, marking its first day of operation.
Jun 3, 2011 TheCityFix.com
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)
Apr 16, 2011 Gothamist
Unhealthy, smog-filled air has struck an unsuspecting locale: rural Wyoming.
Mar 12, 2011 USA Today
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.
Dec 1, 2010 Cleveland Plain-Dealer
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.
Nov 22, 2010 The Chicago Tribune