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Originally Posted by Irace86.2.0
2) It is either a product of something natural, or it is a product of human interactions, or it is product of a combination of the two. The fact is that we can't continuously dump toxins into the air, pollute the environment, consume every resource unsustainably and reproduce uncontrollably and expect to not have an impact on the environment.
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The ratios, though, do matter.
If warming and/or cooling is a natural part of the cycle of the planet (which to some extent it seems to be) and humans (and other creatures for that matter) contribute to it in some small percentage, it's just a contribution to the inevitable one way or the other. We may be speeding it up in some inconsequential way (in "Earth Age" terms) but it may just be a blip on the clock.
Not saying making change isn't worth the effort, similar to how we have slowly cleared up the air from the early part of the Industrial Age, but it may not amount to much in the long run.
On the other hand, if the Earth had a steady state environment prior to, say 1500AD, with no variations, and all changes have happened since then, well, maybe we could make a meaningful difference. Thing is, it didn't.