no excess CO2 isnt good, its a green house gas, which means the more of it the hotter earth gets, chem honors
you know, it's funny; there's only a fraction of the co2 here that was on earth a million year ago. plant used to get much bigger, more lush... fossils have proven this.
co2 may be a greenhouse gas, but it's a beneficial one. it's a gas that is needed, and is used as a resource. carbon monoxide is the big ticket gas. with forest fires happening naturally, it's not a big deal. with a few billion cars, factories, fireplaces, smokers, etc etc etc, i'm sure things are becoming detrimental.
lol, earth science, again, fourth grade