from the factory's chimneys are excreting waste and smoke which rise up to the sky which destroys the ozone part which makes the sunshine goes directly to the ground.
this scene will explain how the factory excretes waste out of the chimneys in 10-15 seconds.
as you can see right here, the excretion that the factory excretes which is the smoke, it rises up till the ozone place that can destroy it which allows the strong sunshine hits the ground which leads for the rise in temperature
this scene will be explained in 15-20 seconds.
here the CO2 is stronger than the ozone layer that destroyed it and make the earth's temperature rise.
here the ozone part is broken so the sunshine is able to hit the earth directly which leads to the rise in temperature that leads into global warming.