water pollution
More than half of the riverwater in the continental U.S. is derived from ephemeral streams
The question of glyphosate safety revolves around the efficacy of the EPA standard (700 ppb) as a threshold for direct and epigenetic effects.
Housing a billion chickens in North Carolina is equivalent to living with 10,000,000 people with no sewage treatment.
we are bathed in, and breathe, an atmosphere with an arsenic content vastly in excess of what we have experienced during our evolutionary history as a species.
Production and use of nitrogen fertilizer is expensive and a significant source of air and water pollution and greenhouse gases in the atmosphere.
Most of the oil in the sea comes from human activities near the coast.
Not all pharmaceutical compounds can be removed by traditional methods of treating wastewater.
The benefits of reducing mercury pollution deposited from the atmosphere are quickly reflected throughout the ecosystem.
It will take a long time to flush this past memory of nitrogen use out of the ecosystem.
An iconic landmark of the region, and the largest swamp in North America, is now vulnerable
