Over time, farming has become more centralized, and scaled-up operations are so large that they could scarcely be termed "farms" any longer.
The Green Revolution was accomplished largely by doubling the amount of irrigated land. Hundreds of millions of wells now reach into the earth like straws in a thick drink on a hot day. But as with many things, we're taking more water than we're getting.
WASHINGTON -- When Tropical Storm Lee sent record amounts of water down the Susquehanna River from Pennsylvania into Chesapeake Bay in September, it a...
All told, there are over 400 dead zones worldwide, affecting an area of more than 245,000 square kilometers, a number that has increased exponentially since the 1960s.
It is time for agriculture to dramatically reduce the millions of pounds of nitrogen pollution that flow off farms every year and then contaminate public waterways and drinking water supplies.
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DENVER — Airborne nitrogen pollution from vehicle exhaust and farm fertilizer is turning algae in the alpine lakes of Rocky Mountain National Pa...
PepsiCo learned that it wasn't running the Tropicana factory or transporting juice containers, but the nitrogen fertilizers they used that were the primary carbon emissions culprit.
WASHINGTON — Carbon dioxide isn't the only greenhouse gas that worries climate scientists. Airborne levels of two other potent gases _ one from ...
Your carbon footprint has a shadow: nitrogen. Unlike carbon dioxide, which scientists have long understood as a damaging green house gas, nitrogen is ...
