Fritz Haber and the Nitrogen Cycle Nearly a century ago, a German chemist named Fritz Haber figured out a way to tap into the atmosphere's vast reservoir of nitrogen. That innovation led to nitrogen fertilizer, which transformed world food production. But the discovery has also created one of the world's greatest pollutants. NPR's Dan Charles reports.
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Fritz Haber and the Nitrogen Cycle

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Fritz Haber and the Nitrogen Cycle

Fritz Haber and the Nitrogen Cycle

Fritz Haber and the Nitrogen Cycle

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  • <iframe src="https://www.npr.org/player/embed/1146429/146429" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Nearly a century ago, a German chemist named Fritz Haber figured out a way to tap into the atmosphere's vast reservoir of nitrogen. That innovation led to nitrogen fertilizer, which transformed world food production. But the discovery has also created one of the world's greatest pollutants. NPR's Dan Charles reports.

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