Ammonia is a necessary feedstock to produce nitrogen-based fertilizers, chemicals, pharmaceuticals, and polymers. To date, about 80% of global ammonia is used to produce nitrogen-based fertilizers ...

A new study provides new insights to demonstrate that multiple wetlands or 'wetland complexes' within a watershed are extremely effective at reducing harmful nitrate in rivers and streams. These ...

Learning from nature, scientists have found a catalyst that efficiently transforms nitrate into nitrite -- an environmentally important reaction -- without requiring high temperature or acidity, and ...

In agricultural regions such as the U.S. Midwest, excess nitrate from crop fertilizer makes its way into rivers and streams through subsurface drainage channels and agricultural ditches. High nitrate ...