Human impacts on the nitrogen cycle

Ann Kinzig, Robert H. Socolow

Research output: Contribution to journalArticlepeer-review

93 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

  • General Physics and Astronomy


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