Particulate Pollution
24 States Sue EPA Over New Soot Pollution Limit
The agency cites health risks of air pollution as reason for the new limit; states appear concerned it will kill their economies.
U.S. Air Quality Declining, Taking Lives
Particulate matter air pollution has been on the rise since 2017, according to new research. Wildfires, economic activity, and lax regulation are potentially to blame.
'State of the Air Report' Finds More Cities With Worsening Pollution
The American Ling Association released its "State of the Air" report last week, finding that ozone and short-term particle pollution worsened in many cities in 2015-2017, compared to 2014-2016.
Deep Economic and Racial Injustice Found in California Pollution Exposure
A new study confirms the facts of environment justice that has long been common knowledge in affected communities. Now the evidence can be mapped, as well.
'Affordable Clean Energy Rule' Proposed to Replace Clean Power Plan
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.
Los Angeles (and Climate Change) Seriously Threaten Air Quality at Mono Lake
With water levels habitually low, officials from the Eastern Sierra say they are "headed for a showdown” with L.A.
Study: Air Pollution From Cars and Trucks Causes Diabetes
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.
A Departing Blow to Clean Air on Pruitt's Final Day
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.
California Has 8 of the 10 Most Polluted Cities in the U.S.
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.
Smog So Bad United Airlines Won't Fly There
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.
The Surprising Region with the Nation's Worst Particulate Air Pollution
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.
Choking Air Pollution in Paris Prompts Driving Restrictions and Free Transit
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
Paris to Begin Serious Car Restrictions on July 1
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.
More Evidence That Living Near Highways Is Bad for Your Health
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.
EPA Rejects Southern California Plan to Reduce Fine Particulate Pollution
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.
Volkswagen Submits Another Recall Plan for Diesel Cars
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.
Saying Bye-Bye to Fireplaces And Wood-Burning Heaters in the Bay Area
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.
American Lung Association Releases Annual 'State of the Air' Report
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.
Parisian Traffic, Air Pollution Reduction Plan Caught on Political Snag
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.
Regulation Success Story: Diesel Emissions Greatly Reduced
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%.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
City of Oxford
Caltrans - District 7
Chaddick Institute at DePaul University
HUDs Office of Policy Development and Research
NYU Wagner Graduate School of Public Service
City of Cambridge, Maryland
Newport County Development Council: Connect Greater Newport
