Department of Chemistry, School of Physical and Chemical Sciences, Faculty of Natural and Agricultural Sciences, North-West University, Mafikeng Campus, Private Bag X2046, Mmabatho 2735, South Africa ...

Increasing levels of nitrate in Ontario’s watersheds including the Grand River is a serious issue for the entire province, says Mayor Kevin Davis. But the mayor is optimistic that solutions can be ...

The U.S. Environmental Protection Agency recently added segments of five rivers near large Iowa cities including Cedar Rapids to the state's impaired waters list for nitrate — over the repeated ...