Nail polish, batteries, hand sanitizer: You may not think of these regular household items as toxic, but they are, and they’re poisoning our water and food supplies.
New research offers hope for prodding corn, wheat, and rice into a partnership with nitrogen-fixing bacteria.
Irrigation and fertilization use varies across and even within cities. Sustainable management plans must rely on a more targeted approach.
Update: California Central Coast row-crop farmers are now required to test their private wells for nitrate, a widespread groundwater contaminant linked to over-fertilization.
Grace S. Brush, the foremost ecological historian of Chesapeake Bay, America's largest estuary, examines the historical connections between land use, nitrogen and coastal dead zones.