Despite its increasing role in global warming and effect on the ozone layer, little has been done to rein in this climate pollutant. One big reason: agriculture.

The majority of nitrous oxide comes from agriculture, including microbes in fertilized soils and animal manure. It is a potent greenhouse gas with about 300 times the heat-trapping power of carbon dioxide. Credit Moenkebild/Ullstein Bild via Getty Images
When it comes to the global climate crisis, carbon dioxide emissions represent a problem that’s massive, intractable and running short on time to solve. But it’s not the only problem.
Other pollutants are rapidly warming our climate, too, sending scientists on a race to understand their implications before it’s too late. For years, experts have warned about the risks from one pollutant in particular—nitrous oxide—and yet there’s been little global action on it.
The reason: “It is…
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