That will require the Iowa Department of Natural Resources to evaluate their sources of nitrate contamination — which threatens public drinking water — and develop plans to reduce it.

Nitrate is a naturally occurring compound caused by the breakdown of nitrogen. But when levels get too high in drinking water — above 10 milligrams per liter — it can cause health problems.

More and more, people are experiencing the climate crisis through water. Water cycle patterns are disrupted meaning rainfall or snowmelt arrives either too early or too late or with too big or too ...

School of Chemistry and Chemical Engineering, School of Pharmacy, Jiangsu University, Zhenjiang 212013, P. R. China ...