The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. The glass lets the sunlight in to make heat, but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts, and climate changes which could alter our way of living. The main …showed first 75 words of 1400 total…

…showed last 75 words of 1400 total…Global Warming: Climate." EPA Global Warming Site. (March 2000) : 6pp. http://www.epa.gov/globalwarming/climate/index.html, http://www.epa.gov/globalwarming/impacts/index.html, http://www.epa.gov/globalwarming/climate/future/index.html, and http://www.epa.gov/globalwarming/climate/trends/index.html "Global Warming: Early Warning Signs" (1999) : 6pp. http://www.climatehotmap.org Silverthorne, Katherine. "How Global Warming Works?." PIRG (Public Interest Research Group (1999) : 4pp. http://www.pirg.org/enviro/global_w/fact.htm