1. 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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  2. Capping at 2 degrees: photo of entrance to COP21, Paris climate conference

    Capping warming at 2 degrees

    A new study finds that, even if all the countries follow through on their Paris Agreement commitments, steeper emissions cuts would be necessary after 2030 to stay below 2 degrees of warming.

    • Climate

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  3. climate modeling 101: four maps show increases in climate model grid resolution

    Climate modeling 101: Explanations without equations

    A new open-access book demystifies climate modeling without using a single equation.

    • Climate

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  4. Climate change is lengthening days: Photo of a sunset

    Days of our lives are getting longer

    Melting ice sheets and glaciers are slightly slowing Earth's rotation.

    • Climate

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  5. Future summers will break heat records - photo: a hot sun

    Future summers could regularly be hotter than the hottest on record

    In 50 years, summers across most of the globe could regularly be hotter than any summer experienced so far by people alive today. Reducing carbon emissions could cut the risk.

    • Climate

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