Issue Date: April 17, 2017
Can nitrogen clean up its act on farmlands?
A dead zone forms in the deep waters of the Gulf of Mexico every summer. This low-oxygen, or hypoxic, area can stretch for 20,000 km2 some years, with significant consequences for the Gulf’s ecosystems and economy.
Hypoxia puts the multibillion-dollar tourism and fishing industries of the Gulf states at risk, but the problem starts far to the north. The Gulf dead zone feeds on the runoff of nutrients, . . .
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Katherine Bourzac is a freelance journalist in San Francisco.
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