> EDIT: to also correct a little simplification, you can prevent heat loss to radiation by reflectivity. But that's not the case with CO2 in the atmosphere CO2

> EDIT: to also correct a little simplification, you can prevent heat loss to radiation by reflectivity. But that's not the case with CO2 in the atmosphere CO2 absorbing some infrared light and transmitting it back to the earth is a form of reflection.