August 22, 2018, 5am PDT
On Tuesday, EPA released its new rule to regulate emissions from existing power plants, essentially leaving it to the states to determine appropriate emissions levels rather than setting actual standards each state has to meet like the current rule.
July 23, 2018, 12pm PDT
With water levels habitually low, officials from the Eastern Sierra say they are "headed for a showdown” with L.A.
July 15, 2018, 9am PDT
A new study builds an even stronger case for setting pollution controls at PM 2.5 to prevent increased risk of diabetes. The EPA's clean air regulations set a threshold much less restrictive than that level.
July 9, 2018, 5am PDT
Friday may have been disgraced EPA Administrator Scott Pruitt's last day in office of the agency in charge of protecting the nation's environment, but he still managed to roll back a regulation to create lasting air pollution far greater than VW did.
April 24, 2018, 1pm PDT
Despite ever-stricter air-quality regulations and dropping emissions, the American Lung Association once again finds the state to have some of the worst air in the nation.
November 15, 2017, 6am PST
It's not the poor visibility but the air quality, ten times worse than Beijing, that has caused the airline to stop flying to New Delhi.
December 27, 2016, 12pm PST
It's not Southern California, with its ports and congested freeways, California's Central Valley, with its bowl-like topography, Houston, with its oil refineries, or the midwest, with its coal power plants. Hint: think Santa Claus.
December 9, 2016, 6am PST
A weather inversion has caused the highest air pollution in the French capital in ten years. To coax commuters from their cars, free transit and odd-even license plate driving restrictions were enacted by Mayor Anne Hidalgo on Tuesday
June 3, 2016, 7am PDT
The carefree days of driving any-old-junker-they-please are over for Parisians, and they'll be even further obsolete when the calendar changes from June to July.
April 18, 2016, 10am PDT
The findings of a new study based in Boston offer evidence of negative health outcomes connected to the collision of residential land use and transportation infrastructure.
March 22, 2016, 10am PDT
The South Coast Air Quality Management District is in the news again, this time for going too easy on the region's big polluters—just what staff had warned would happen before the board fired its well-respected executive director.
February 4, 2016, 10am PST
Volkswagen has already submitted its recall plan for its 2-liter diesel engines—it was rejected by both the EPA and California Air Resources Board. It also needed to submit a recall plan for 3-liter diesel engines to CARB by Feb. 2, which it did.
October 23, 2015, 11am PDT
In a Bay Area first, new home construction in most of the region will be banned from having these heating devices installed as the result of a rule adopted unanimously by the Bay Area Air Quality Management District on Oct. 21.
April 30, 2015, 9am PDT
The 16th annual State of the Air report includes everyone's favorite tool for putting the achievements of cities and metropolitan areas in perspective: rankings.
American Lung Association
December 16, 2014, 12pm PST
Parisian clean air politics turn out to be something of a class issue, even for a socialist mayor. The plans are seen as penalizing low income Parisians while benefiting elitist city dwellers who dislike traffic, overshadowing public health benefits.
March 24, 2014, 6am PDT
Thanks to the 2010 federal requirement of ultra-low sulfur diesel fuel and new Tier 4 emissions standards by the EPA, particulate emissions from non-road diesel engines, including agricultural and construction equipment, have been reduced by 99%.
Environmental Health News
March 17, 2014, 7am PDT
We've come to expect hight air pollution levels in Beijing and other Asian cities with high traffic levels and surrounded by dirty coal plants, but not in cities using emission-free nuclear energy and lots of bikes and mass transit. So why Paris?
The New York Times - Europe
December 1, 2013, 9am PST
Plentiful natural gas produced from neighboring Pa. makes it easier for New York City buildings to comply with a regulation to convert dirty heating oil burners to use cleaner fuels like natural gas while the state has a six-year fracking moratorium
October 15, 2013, 1pm PDT
A new report by the European Environment Agency points to progress in cutting the continent's air pollution problem. However, up to 98% of Europe's urban residents are exposed to hazardous air, and in places like Bulgaria the danger is acute.
October 3, 2011, 6am PDT
World annual death toll due to particulate pollution from indoor and outdoor sources is 2 million people each year, according to a new report from the World Health Organization.