Traces of burning outline a map of human settlement and industry in a haunting graphic released by the data analysis startup Descartes Labs. Silver patches and strands show nitrogen dioxide ...

CF Industries is the largest nitrogen producer in North America, with production based in the United States and Canada. CF's plants, which benefit from low-cost North American natural gas, are ...

For the first time, hydrogen has been used as the source of electrons in the laboratory fixation of nitrogen, according to David Tyler, a University of Oregon chemistry professor.