Global warming and the greenhouse effect worry many geologists. The greenhouse effect is a natural process that keeps the earth at temperatures that are livable. You ask - what does the greenhouse effect have to do with global warming? When humans release gases into the air, the greenhouse effect will alter the temperature of the earth. More gases in the atmosphere means the earth will start to get warmer, and the result is global warming. …showed first 75 words of 1603 total…

…showed last 75 words of 1603 total…November 2001 http://www.pirg.org/enviro/global_w/fact.html. "Fast Facts" Environmental Media Services - 10 July 2001 and 23 November 2001 http://www.ems.org/climate/facts.html. Murck, Barbara W., Brian J. Skinner, and Stephen C. Porter. Environmental Geology New York: John Wiley & Sons, 1996. Pages 488-490 "The Planet Speaks" The Wilson Quarterly 25.4 (Autumn 2001): 124. "To Save Lives, Give Global Warming the Same Priority As Biological Weapons, Says WWF" WWF Global Network - 5 November 1998 and 27 November 2001