If the main reason actually talk of the birth. Global warming is not who it is lol. Yes, that man is causing the increase in carbon dioxide from the burning of fuel, transportation and manufacturing, industrial gases, including nitrous-oxide groups increase and skin full auto roll car Bon (CFC) into the atmosphere. In parallel with the ongoing deforestation
And this makes the tree-cutting mechanism to pull carbon dioxide out of the atmosphere attenuation performance system was down. Make the sun shine through the atmosphere to the surface of the Earth. That this increased carbon dioxide has been added to keep the heat in the Earth's atmosphere more gradually until a global warming like the present.