The greenhouse effect in detail
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Human activities are causing greenhouse gas levels in the atmosphere to increase. This graphic explains how solar energy is absorbed by the earth's surface, causing the earth to warm and to emit infrared radiation. The greenhouse gases then trap the infrared radiation, thus warming the atmosphere.
SOURCES: Okanagan University College, Canada, Department of Geography, University of Oxford, School of Geography,
United States Environmental Protection Agency (EPA), Washington; Climate Change 1995, The Science of Climate Change, Contribution of Working Group I to the Second Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), UNEP and WMO (World Meteorological Organization, Cambridge University Press, 1996.
URL: http://www.environmenttimes.net/edition.cfm?pageID=1&groupID=2
Cartographer/Designer: Philippe Rekacewicz, UNEP/GRID-Arendal
United States Environmental Protection Agency (EPA), Washington; Climate Change 1995, The Science of Climate Change, Contribution of Working Group I to the Second Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), UNEP and WMO (World Meteorological Organization, Cambridge University Press, 1996.
URL: http://www.environmenttimes.net/edition.cfm?pageID=1&groupID=2
Cartographer/Designer: Philippe Rekacewicz, UNEP/GRID-Arendal
