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Originally Posted by MikeTangas
It is all part of the vicious cycle. As I see it CO2 is plant food, remember basic grade school science - plants convert CO2 into O2. More CO2 means more plant food, which means more O2 is being produced. More O2 means more for us to breathe, for our bodies or our cars. Also remember that for each gallon of fuel we burn we consume something like 400 gallons of O2.
Someone wants us to suffocate the poor trees!
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The problem, Mike, is that a point is reached where there is more CO2 than plants can convert. When this happens, CO2 is trapped in the atmosphere, and it in turn traps heat. We know by analyzing fossil and archeological evidence that we have increased the excess amount beyond what the carbon cycle can handle in the last two centuries. Who knows, maybe this won't matter for a variety of reasons - it could balance out with a coming ice age, or it could induce more plant growth. For me, the thing to really stay away from is simple conclusions that say it is ok to put our head in the sands. We need solid science not influenced by politics here.