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Guest Commentary
Guest authors bring their insights to The Equation, providing commentary on a broad range of issues that connect to our work. Views expressed here belong to the authors, not UCS.
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Markus Spiske / Unsplash
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National Cancer Institute/Unsplash
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US Department of Energy
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Walter Otto / Unsplash
Caroline Brehman/EPA, via Shutterstock
USFWS
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USEPA
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