A new study links arid conditions to high nitrate levels in rivers, including remote areas with no heavy farming or urban pollution, as water scarcity lets the chemical build up rather than dilute.
Dry climates drive river nitrate pollution far from farms and cities
A new study links arid conditions to high nitrate levels in rivers, including remote areas with no heavy farming or urban pollution, as water scarcity lets the chemical build up rather than dilute.
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