Atmospheric Gases

Donald J. Wuebbles, Swarnali Sanyal

Research output: Chapter in Book/Report/Conference proceedingChapter


The earth's atmosphere is composed of a mixture of gases that we call air. The most abundant of these gases, molecular nitrogen and molecular oxygen, are not being greatly affected by human activities and are unlikely to be so in the foreseeable future. However, many of the other gases, like carbon dioxide and ozone, are being affected by human activities. Although there are only trace amounts of these gases in the atmosphere, many of them are extremely important to life on Earth and to biodiversity. This article describes many of the important atmospheric gases, their role in affecting the planet, and the factors affecting their changing concentrations in the atmosphere.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Biodiversity, Third Edition
Subtitle of host publicationVolume 1-7
ISBN (Electronic)9780128225622
ISBN (Print)9780323984348
StatePublished - Jan 1 2024


  • Atmospheric gases
  • Carbon dioxide
  • CFCs
  • Emissions
  • Greenhouse gases
  • Halocarbons
  • Methane
  • Ozone
  • Sulfur
  • Trace gases
  • Water vapor

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences
  • General Environmental Science


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