Tag: Chemistry
  1. Smog in Beijing

    COVID-19 lockdowns linked to pollution spikes in some cities

    Lockdowns last year in response to COVID-19 resulted in drastic cuts to emissions, especially from vehicle tailpipes, and yet some urban areas saw a paradoxical spike in ozone air pollution.

    • Air Quality

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  2. Photo of city traffic

    Ozone pollution levels dropped early in pandemic

    Ozone in the lower atmosphere fell by 7% on average across the Northern Hemisphere, new research finds.

    • Air Quality

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  3. Pieternel Levelt

    Pieternel Levelt chosen to lead NCAR’s Atmospheric Chemistry Observations & Modeling Lab

    Pieternel Levelt has been selected to lead the Atmospheric Chemistry Observations & Modeling Laboratory (ACOM) at the National Center for Atmospheric Research (NCAR). Levelt currently serves as the head of the R&D Satellite Observations department at The Royal Netherlands Meteorological Institute while also serving as a professor at Delft University of Technology.  

    • Air Quality,
    • Organization

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  4. A composite image of blooming phytoplankton and swirling currents along the coast of California and western Mexico. (Credit: Norman Kuring / NASA)

    Ocean acidification prediction now possible years in advance

    A team of researchers has developed a method that could enable scientists to accurately forecast ocean acidity up to five years in advance. This would enable fisheries and communities that depend on seafood negatively affected by ocean acidification to adapt to changing conditions in real time, improving economic and food security in the next few decades. 

    • Climate

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  5. South Asian residents face increasing threat of extreme heat combined with extreme air pollution

    As temperatures warm across much of the globe, how often will people be threatened by extreme heat and extreme air pollution happening at the same time?

    • Air Quality,
    • Climate

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