Indicators of the human influence on the atmosphere during the Industrial Era

Global atmospheric concentrations of three well-mixed greenhouse gases

Data graphs show s show a rise in emissions of carbon dioxide, methane and nitrous oxide during the Industrial Era.

Long records of past changes in greenhouse gases show the effects of large and increasing growth in anthropogenic emissions during the Industrial Era (~1750-present). [From the Intergovernmental Panel on Climate Change (IPCC) report, Climate Change 2001: The Scientific Basis.]

<< Return to Observing Climate Variability and Change