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Map showing drought conditions in the western United States in 2020

Does Less Pollution Mean Less Precipitation?

IIHR researchers Wei Zhang and Gabriele Villarini (IIHR director) have published research linking urban sprawl to an increase in rainfall and flooding during Hurricane Harvey.
An old map
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IGS Maps Show Iowa Counties What Lies Beneath

William Smith, the “father of English geology,” wasn’t the only geologist to create a map to change the world. Read about how geologists at the Iowa Geological Survey are creating new, geologic maps for the state even today.