It is called a greenhouse effect to the phenomenon for which certain gases components of a planetary atmosphere retain part(report) of the energy that the soil expresses(emits) for having being warmed by the solar radiation. It(he,she) concerns all the planetary bodies provided with atmosphere. In agreement with the current scientific consensus, the greenhouse effect is meeting accentuated in the Earth for the emission(issue) of certain gases, as the dioxide of carbon and the methane, owed to the economic human activity