If the Earths Atmosphere averaged 200ppm less CO2 (it dropped between 130ppm & 200ppm) THAT would likely be a serious problem. On the other hand it would have to sustain over 1300ppm, probably hundreds of ppm beyond that, before the earths existing green vegetation stopped becoming more efficient at converting it into oxygen! So it IS NOT POSSIBLE for the 2ppm that humans currently release to be accumulating in the atmosphere as extra since the existing natural sink is only about 20% to 30% satisfied! If humans could ramp it up by 1000ppm and increase the volume of the output to keep up with the ever-growing, larger more efficient & productive vegetation, life on earth would actually be healthier and more abundant... (maybe we could come close if we nuked all the Ice & snow?) ...While getting to that point seems a near impossible fantasy, we would have to reach and sustain hundreds MORE total (beyond 1300ppm) ppmCO2 to get to the point where we could get far enough ahead of all the extremely healthy, giant, more efficient and highly reproductive vegetation before we could possibly cause any accumulation! We are at least 4 times closer to edge of having not enough free CO2 to sustain life than accumulating any extra from the paltry 2ppm humans release! Since human activity IS NOT accumulating atmospheric CO2 (NOT EVEN CLOSE!!!), it CANNOT be causing anything!
Posted on: Sat, 15 Mar 2014 08:56:27 +0000
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