[A dash of history] + [A chemistry lesson] = [CO2 is good for the earth]

CommonSense, once common, isn’t so much anymore. If organic products are truly good for us, then coal, oil, and natural gas are good for us because they are organic products.

Greenhouse CO₂ generators, like the one pictured above, typically burn LPG (Liquefied Petroleum Gas) to produce beneficial carbon dioxide gas which is to plants what oxygen is to mammals like you.