Nighttime view of Earth reveals size of urban sprawl

Space-based observations of Earth provide abundant data about our world. Now, thanks to research led by Pacific Northwest National Laboratory, they can provide powerful information about how urban centers are growing worldwide. ...

Troubled forecasters seek way to improve tornado warnings

Forecasters troubled by the high death count from twisters in Alabama and Joplin, Missouri, four years ago say they must put away their "nerd-speak" and find better ways to communicate if the public is going to react appropriately ...

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