This is part 2 of the “Global Warming effects article” …continued here:

Greenhouse gases and CO2
The Sun’s rays hit the earth as long-wave radiation, which passes through greenhouse gases easily. However when they hit the earth the warm the planet and the energy is then radiated out from Earth as short wave infra-red radiation (heat) which is easily absorbed by greenhouses gases before it escapes into space. So the world gets warmer. This is the greenhouse effect and the leading greenhouse gases impacting on the environment are water vapor, CO2, methane, nitrous oxide, and ozone.

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