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  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. Derecho with shelf cloud

    Wyoming middle school student names new supercomputer “Derecho”

    A Wyoming middle school student has won a statewide competition to name one of the world’s fastest supercomputers.

    • Supercomputing

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  3. A solar flare on the surface of the Sun. Image: NASA

    New study ties solar variability to the onset of decadal La Nina events

    A new study shows a correlation between the end of solar cycles and a switch from El Nino to La Nina conditions in the Pacific Ocean, suggesting that solar variability can drive seasonal weather variability on Earth.

    • Sun + Space Weather

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  4. UCAR statement on the mass shooting in Boulder

    UCAR President Antonio Busalacchi's statement on the March 22 mass shooting in Boulder.

    • Organization

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  5. Oil painting of a juvenile loggerhead turtle by NCAR scientist and co-author Kristen Krumhardt

    High-resolution ocean model provides insight into sea turtles’ lost years

    An exquisitely detailed global ocean model simulation from NCAR has given scientists rare insight into where baby sea turtles may go in their “lost years” after they scramble off the sandy beaches where they are born and swim into the open ocean.

    • Water

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