what are the greenhouse gases
1 These gases (water vapor, carbon dioxide, methane, ozone, and nitrous oxide) are referred to as greenhouse gases.. 2  Albedo has an important influence on the earth's temperature.3  Greenhouses are structures designed to retain heat.he 'blanket' here is a collection of atmospheric gases called 'greenhouse gases' based on the idea that the gases also 'trap' heat like the glass walls of a greenhouse do. These gases, mainly water vapor (), carbon dioxide (), methane (), and nitrous oxide (), all act as effective global insulators.