1. Scientists measure CO2 levels by Antarctica: illustration of CO2 exceeding 400 ppm

    A CO2 milestone in Earth's history

    The ORCAS field project records carbon dioxide levels exceeding 400 ppm over one of the remote regions of the globe.

    • Climate

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  2. NCAR map shows ocean deoxygenation by time of emergence

    Widespread loss of ocean oxygen to become noticeable in 2030s

    A reduction in the amount of oxygen dissolved in the oceans due to climate change should be evident across large parts of the ocean between 2030 and 2040.

    • Climate

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  3. Rising Voices participants at a workshop in Boulder.

    Rising Voices melds indigenous, western science perspectives

    Hosted at NCAR, the program brings scientists and engineers together with Native American community members to build bonds and discuss ways to adapt to a changing climate.

    • Climate

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  4. Volcanoes and climate: computer model image of volcanic emissions around globe

    Volcanic emissions: More than meets the eye?

    The research will enable computer models to better capture the effect of eruptions of global climate.

    • Climate

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  5. Map shows heat wave across U.S.,  late August 2013

    Searing heat waves detailed in study of future climate

    Sweltering heat waves that typically strike once every 20 years could become yearly events across 60 percent of Earth's land surface by 2075.

    • Climate

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