Human impacts on the nitrogen cycle

Ann Kinzig, Robert H. Socolow

Research output: Contribution to journalArticle

83 Scopus citations


Fertilizer production and other human activities have more than doubled the global rate of nitrogen fixation since preindustrial times. The resulting imbalance is contributing to ecosystem disruption, ozone depletion, greenhouse effects and other environmental problems.

Original languageEnglish (US)
Pages (from-to)24-31
Number of pages8
JournalPhysics Today
Issue number11
StatePublished - Nov 1994
Externally publishedYes


ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kinzig, A., & Socolow, R. H. (1994). Human impacts on the nitrogen cycle. Physics Today, 47(11), 24-31.