Finding common ground re PM 2.5’s effect on health, not that simple, it seems

Particulate-matter pollution, a multi-dimensional air contaminant, is of particular concern, especially a finer version of it or that known as PM 2.5 or fine particulate matter less than 2.5 micrometers in diameter (about 1/30th the width of a typical human hair). That PM 2.5 is present in the air is on account of the incomplete … Read more

Lung association reports 4-in-10 Americans live in counties with unhealthy air

Nearly 40 percent of the U.S. population resides in counties with polluted air. This is one of the messages in the American Lung Association’s (ALA) “‘State of the Air’ Report Finds Continued Improvement in Air Quality, Yet Increase in Life-threatening Spikes of Particle Pollution: American Lung Association report finds 4 in 10 Americans live in counties … Read more

In 2017, do as California is: Make air cleanup, job one – Part 3 (mobile sources 2/2)

Background California’s transportation system, which consists of highways and roads totaling more than 175,000 miles, is valued at around $1.5 trillion. The Golden State, moreover, has north of 500 transit agencies, 12 major ports and an 800-mile total high-speed rail system now under construction. There is more to the state transportation network, so much more. … Read more

EPA request asking newest smog standards be postponed, granted by court

California’s San Joaquin Valley in 2016 exceeded the 2008 national 8-hour ozone health standard of 75 parts per billion (ppb) 88 times – a jump of six over 2015’s total. Regarding the more stringent 70 ppb standard, one that would have been more protective of public health, and incidentally, the one approved by the U.S. … Read more

Report looks at participant volunteering as basis for evaluating pollution’s effects

The information printed below is provided by the National Academies of Sciences, Engineering, and Medicine The U.S. Environmental Protection Agency (EPA) carries out experiments in which volunteer participants agree to be intentionally exposed by inhalation to specific pollutants at restricted concentrations over short periods to obtain important information about the effects of outdoor air pollution … Read more

Serious but stable: U.S. infrastructure condition: What it means for air

As with air quality, when it comes to infrastructure, condition matters. So, right now, according to one measure – the one just out Mar. 9, 2017: the American Society of Civil Engineers’ “2017 Infrastructure Report Card,” condition-wise, overall, America’s infrastructure got a D+. A serious situation: make no mistake. So, what is going on here? In … Read more

In 2017, do as California is: Make air cleanup, job one – Part 3 (mobile sources 1/2)

Getting right to it, consider that over 300 billion miles of travel are driven on California roadways annually – one-tenth of what is driven nationally (as of late). And that’s just driving. When you factor in all other modes – providing residents and visitors alike the means with which to move about whether by the … Read more

On-the-move pollution more health-impacting than once thought, study reveals

There is much that is being learned about air pollution on the move. For example, the distances Polycyclic Aromatic Hydrocarbons or PAHs traveled, how they are affected while in flight and what their impact is on human health are all areas researchers explored in a recent collaborative study conducted by Oregon State University (OSU), the … Read more

‘(I Did It) My Way’: May be SoCal’s goods movement air-cleanup anthem…or maybe not

So, sitting in my living room on Wed. evening Feb. 1, 2017, I watched intently the PBS (Public Broadcasting System) NOVA episode “Search for the Super Battery,” some of the program content shown previously on the Jan. 29, 2017 edition of CBS’ “Sunday Morning.” Batteries being the NOVA program’s key highlight, such others as energy … Read more