ally good thing. The 
presence of carbon dioxide is really important for us to live. Right 
now, carbon dioxide, we need to reduce the amount we are putting in the 
air because carbon dioxide and methane and a few other gasses are 
causing this global warming. But do not forget it is actually vital to 
human life on the planet, because carbon dioxide warms the planet. If 
carbon dioxide and water vapor and other things were not in the air, we 
would live on a frozen planet. So having the right amount of car