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Far from farms and cities, dry climates are boosting river nitrate pollution

(Version anglaise seulement)
par Li Li (李黎), Professor of Civil and Environmental Engineering, Penn State
Typically, when people hear about nitrates, it involves runoff from farm fields, sewage systems and cities that can fuel harmful algae blooms and raise the risk of a serious illness in infants known as “blue baby syndrome.”

But a river can also run through a sparsely populated landscape with little farming and still contain surprisingly high levels of this form of nitrogen that can harm aquatic life, drinking water…The Conversation


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