What if there were no CO2 in the atmosphere?
Short answer: You will freeze.
Long answer: You will freeeeeeeeeeeeeze.
CO2 and other greenhouse gases send back some heat they capture from earth and maintain a temperature balance. Without CO2, the earth’s temperature will be a LOT less than what it is right now.
The real problem is not CO2, it’s…why don’t you find out the answer (and a lot more about CO2) from All about CO2 – https://lnkd.in/ge8KveP7