2 4.4.2 Methane and nitrogen oxides have less impact 4.4.1 Carbon dioxide and water vapor are the most significant greenhouse gases .Greenhouse gases:CO2 Carbon DioxideH2O Water vaporCH4 MethaneN2O Nitrous OxideNO Nitric oxide4.4.2 Methane and nitrogen oxides have less impact
3 What makes a good greenhouse gas is the ability to absorb long wave radiation, and the gases concentration4.4.4 The warmed Earth emits longer wavelength radiation (heat)
4 4.4.5 Longer wave radiation is absorbed by greenhouse gases, which retain the heat in the atmosphere.
5 4.4.6 Global temperatures and climate patterns are influenced by concentrations of greenhouse gases 4.4.7 There is a correlation between rising CO2 levels and average global temperature.
6 4.4.8 Recent increases in atmospheric carbon dioxide are largely due to increases in the combustion of fossilized organic matter.The number one source of carbon emissions as a result of human activity is transport that is based on fossil fuels: cars, trucks, trains and airplanes.Other human activities that put CO2 into the air include: deforestation, heating with fossil fuels, meat diet, purchasing goods that require long transportation, commuting long distances.Human activities that contribute to other greenhouse gases: eating meat (methane), burning fossil fuels, using organic fertilizers (nitrogen oxides)