Articles by Senior Data Reporter Clayton Aldern
Clayton Aldern is a data reporter and data visualization developer. He has contributed to reporting teams that have won various awards, including a national Edward R. Murrow Award, multiple Online Journalism Awards, multiple Sigma Awards, and the Breaking Barriers Award from the Institute for Nonprofit News. He is the author of The Weight of Nature: How a Changing Climate Changes Our Brains.
All Articles
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![a choropleth map of Chicago showing various shades of red indicating lead service pipe density by neighborhood]()
![a choropleth map of Chicago showing various shades of red indicating lead service pipe density by neighborhood]()
Chicago has the most lead pipes in the nation. We mapped them all.
Here's what the data reveals about who's most at risk.
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![a choropleth map of Chicago showing various shades of red indicating lead service pipe density by neighborhood]()
![a choropleth map of Chicago showing various shades of red indicating lead service pipe density by neighborhood]()
Interactive: Chicago water service lines map
Enter your address to find out whether any part of your water service line needs replacing and how your neighborhood compares to others.
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![A resident sits on a wall of a collapsed house damaged by widespread flooding near Valencia, Spain in November 2024.]()
![A resident sits on a wall of a collapsed house damaged by widespread flooding near Valencia, Spain in November 2024.]()
A look at the growing ‘disaster economy’ turning crisis into cash
Disasters are big business. These charts show just how big.
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Interactive: IRA/BIL project map
From clean energy projects to bridges, this interactive tool shows what projects lawmakers announced in your neighborhood.
