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Plus last time I checked all these other planets that have massive amounts of C02 in the atmosphere don`t have any plant life.

Plants suck up CO2 and spit out O2....It`s a perfect balance that has been going on for billions of years on earth when the earth with going through a lot worse than a bunch of Chevys driving around..It has allowed the earth to remain oxegen rich through volcanoes, earthquakes, cataclysmic meteor strikes that blotted out the sky a billion times worse than any cars can do.

Even when plant life was brought to a bare minimum, even that wasn`t enough to stop the earth turning into a planet like Venus, which turned into a greenhouse planet from its liquid water evaporating by the way...Before that Venus had an atmosphere much similar to earth, but no life.

This whole global warming crap is ridiculous, it`s like saying plants are spitting out too much O2 (and there are a hell of a lot more plants than cars, people and animals) so we should cut down trees. The only result of more CO2 is more O2. When plants get down to practically nothing, then we should worry, but so far I haven`t seen any trees on strike.

Oh my, look at these poor plants getting stuffed on too much CO2...

"Ice cores show that carbon dioxide levels in the atmosphere have remained between 180 and 300 parts per million for the past half-a-million years. In recent centuries, however, CO2 levels have risen sharply, to at least 380 ppm. So what's going on? It is true that human emissions of CO2 are small compared with natural sources. But the fact that CO2 levels have remained steady until very recently shows that natural emissions are usually balanced by natural absorptions. Now slightly more CO2 must be entering the atmosphere than is being soaked up by carbon 'sinks'."

Apparently, there are natural carbon sinks that absorb the CO2 released by natural emissions. When the small amount of human emissions of CO2 are added to the mix, it overwhelms the natural carbon sinks. This could be why CO2 levels have gone from a natural 180 to 300 parts per million to 380ppm and rising today.

Climate myths: Human CO2 emissions are too tiny to matter