Nitrogen may not get the same level of attention as its neighbors on the periodic table, carbon and oxygen. But like its neighbors, it's an element we can't live without. Nitrogen compounds have ...

Nitrogen is an important component of the global environment, affecting agriculture, climate, human health, and ecosystems. The role of the nitrogen cycle has become more widely appreciated, yet Earth ...

Nitrogen is a key nutrient because it fuels the growth of plankton, which forms the basis of the marine food web. Two ...

Soil erosion is widely known for degrading land and reducing agricultural productivity. But new research shows it may also play a far more complex and important role in regulating the global nitrogen ...

A photo of seven American bison grazing in Gardiner, Montana, in front of a stone arch Bison graze near Roosevelt Arch, near the north entrance of Yellowstone National Park, in Gardiner, Montana.

Fossil plankton shells show that three million years ago, under warmer climate, nitrogen fixation was reduced. • About 3 million years ago: During the warm late Pliocene, nitrogen fixation in the ...

EPA researchers are using the Community Multiscale Air Quality (CMAQ) modeling system to understand the life cycle of nitrogen from its release into the atmosphere to its deposition on land and water.

(Left) a satellite-based NOx emission map from TROPOMI derived by Kang’s group, which shows detailed sources of NOx in central and southern US (image credit: Kang Sun); (right)The fast flux sensors, ...