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  1. Color visualization of globe with North Pole in center

    Melting Greenland ice sheets may threaten northeast United States, Canada

    Melting of the Greenland ice sheet may drive more water than previously thought toward the already threatened coastlines of New York, Boston, Halifax, and other cities in the northeastern United States and Canada.

    • Climate

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  2. Climate models and clouds

    One of the challenges for global climate modelers is accurately simulating cloud cover and its changes over time. This is vital for projecting future temperatures, rainfall, and other aspects of global and regional climate change.

    • Climate

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  3. Color world map with bluish colors indicating more streamflow and reddish less

    Water levels dropping in some major rivers as global climate changes

    Rivers in some of the world's most populous regions are losing water, according to a new comprehensive study of global stream flow.

    • Climate

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  4. Global Warming: Cuts in Greenhouse Gas Emissions Would Save Arctic Ice, Reduce S

    Global warming: Cuts in greenhouse gas emissions would save Arctic ice, reduce sea level rise

    The threat of global warming can still be greatly diminished if nations cut emissions of heat-trapping greenhouse gases by 70 percent this century, according to a new analysis.

    • Climate

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  5. WACCM goes to new heights

    NCAR scientists are working on a bigger, bolder version of WACCM (the Whole Atmosphere Community Climate Model), called WACCM-eXtension, or WACCM-X for short. The enhanced version extends the model to an altitude of about 310 miles.

    • Climate,
    • Sun + Space Weather

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