Greenhouse Effect
Is the greenhouse effect just a theory? Yes and No, Greenhouse gases affect the climate and is based on observations and scientific interpretations. ... The Greenhouse Effect is natural, but extra gases are produced by human activity, and it is becoming stronger. ... The major greenhouse gases are water vapor, carbon dioxide, methane gas, nitrous oxide, ozone in the lower atmosphere, and CFCs. ... The objective is to stabilize concentration of greenhouse gases in the atmosphere at a level that would prevent dangerous human interference with global climate. This will bind many developed nations to greenhouse gases.