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  1. Visualization of ozone on the Front Range

    Scientists pinpoint sources of Front Range ozone

    The new report uses measurements from two major Front Range field projects

    • Air Quality

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  2. Smog over Boulder

    NCAR to host Air Quality Open House on May 3 in Boulder

    NCAR is marking Air Quality Awareness Week with a family-friendly open house at its Mesa Lab in southwest Boulder from 5-8 p.m. on Wednesday, May 3.

    • Air Quality

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  3. kids studying ocean reefs: illustration from Elementary Globe storybook

    UCAR staff add climate storybook to Elementary GLOBE's line-up

    School children go to Greenland and the Maldives to study climate in the latest addition to this illustrated series.

    • Education + Outreach,
    • Climate,
    • Air Quality

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  4. 2015 wildfires in Sumatra, as seen from space

    Indonesian fires exposed 69 million to 'killer haze'

    Wildfires in Indonesia and Borneo exposed 69 million people to unhealthy air pollution, new research has shown.

    • Air Quality

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  5. An image of the Antarctic ozone hole in October 2015

    Scientists observe first signs of healing in the Antarctic ozone layer

    A team of researchers, including NCAR scientists, has identified the “first fingerprints of healing” of the Antarctic ozone layer.

    • Air Quality

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