1. Mount Tambora's caldera

    Future volcanic eruptions could cause more climate disruption

    Major volcanic eruptions in the future have the potential to affect global temperatures and precipitation more dramatically than in the past because of climate change.

    • Climate

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  2. The browning of Rupert Bay, NASA

    Climate change could decrease Sun's ability to disinfect lakes, coastal waters

    An increase in extreme rainfall makes it more difficult for UV light to kill pathogens.

    • Climate,
    • Water

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  3. Collage of areas studied by BRACE

    Quantifying the benefits of cutting carbon

    Scientists from NCAR have partnered with colleagues across the country to quantify the benefits for heat, health, agriculture, and more, of reducing emissions.

    • Climate

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  4. UCAR statement on U.S. withdrawal from Paris climate agreement

    With new uncertainties about greenhouse gas emissions, research is more vital than ever.

    • Climate

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  5. Map of ocean oxygen trend

    Decades of data on world's oceans reveal a troubling oxygen decline

    A new analysis has found that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for more than 20 years.

    • Climate

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