Category: Air quality

Carbon dioxide sensors in two urban areas registered big drop in emissions during COVID-19 pandemic

Read the full story from the National Institute of Standards and Technology (NIST).

Carbon dioxide emissions in Los Angeles and the Washington DC/Baltimore regions fell roughly 33 percent in April of 2020 compared with previous years, as roads emptied and economic activity slowed due to the COVID-19 pandemic, according to a new study. But while the emissions reductions are significant, the method that scientists used to measure them may have the greater long-term impact…

In addition, a second study indicated that U.S. cities often underestimate their emissions when using bottom-up methods alone. A third study showed that combining bottom-up with top-down methods increases accuracy.

EPA to reinstate air pollution panel disbanded under Trump

Read the full story at The Hill.

The Environmental Protection Agency (EPA) will reinstate a scientific group that looks at air pollution and was disbanded under the Trump administration, a spokesperson confirmed to The Hill on Monday,

EPA spokesperson Tim Carroll said in an email that the EPA’s Science Advisory Board will issue a call “in the next few weeks” for nominations for the Particulate Matter Review Panel.

Then-EPA Administrator Andrew Wheeler disbanded the panel, made up of scientists who are considered experts on particulate matter, in 2018. 

EPA to review rules on soot linked to deaths, which Trump declined to tighten

Read the full story in the New York Times.

The Biden administration says it will consider tougher limits on a deadly air pollutant that disproportionately affects low-income and minority communities.

Call for ‘paradigm shift’ to fight airborne spread of COVID-19 indoors

Read the full story from the Queensland University of Technology.

Researchers are calling for a ‘paradigm shift’ in combating airborne pathogens such as COVID-19, demanding universal recognition that infections can be prevented by improving indoor ventilation systems.

The urgent need for indoor air quality regulation

Read the full story at The Regulatory Review.

New scientific research and the COVID-19 pandemic should trigger a paradigm shift in indoor air quality regulation.

Air pollution data in five Chinese cities: Local vs. U.S. monitoring stations

Read the full story from PLOS.

When air quality in China is poor, locally reported air pollution measurements diverge from U.S. embassy-reported measurements more than would be expected by random chance, finds an analysis of air pollution data from five large Chinese cities.

Before the next pandemic, it’s time to regulate indoor air quality

Read the full story at Fast Company.

Just like the government mandates clean water and food, scientists argue that well-filtered and ventilated air inside our offices and homes should be guaranteed.

New tool called ‘Vulcan’ could help cities better estimate their carbon dioxide emissions

Read the full story from Yale Climate Connections.

It relies on data about pollution from power plants, factories, buildings, and vehicles across the U.S.

The 60-year-old scientific screwup that helped Covid kill

Read the full story in Wired.

All pandemic long, scientists brawled over how the virus spreads. Droplets! No, aerosols! At the heart of the fight was a teensy error with huge consequences.

EPA rescinds Trump rule expected to make air pollution regulation harder

Read the full story at The Hill.

The Environmental Protection Agency (EPA) is rescinding a Trump-era rule that was expected to make it harder to regulate air pollution, the agency announced on Thursday. 

The agency issued an interim rule to rescind the previous rule, stating that the changes made by the prior rule were “inadvisable, untethered to the [Clean Air Act], and not necessary to effectuate the purposes of the Act.”

Rescinding the Trump-era rule will allow the agency to use the pre-Trump process as it carries out its own regulations.

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