Ladiesu andu Gentlemansu, I present to you, "the experts".
(www.youtube.com)
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I don't get the point. Different chemicals have different effects at different parts per million.
For example, I don't want the Carbon Monoxide content in my room to go up by even 1 ppm. That's because I can't breathe it and it will kill me at much smaller PPMs than many other gasses that are in "air".
Even among Climatologists, CO2 is recognized as one of the weaker Greenhouse Gas emissions. There are plenty that are stronger and more damaging, but are much less common in the atmosphere and have a lessened effect.
Now, his point about shutting down the Nuclear plants, taking gas vehicles off the road. Then there's also his good point about not being able to locally source material because of permit bureaucracy, and how large scale transport is going to release even more CO2.
Those are much stronger arguments than "what percentage of the earth's atmosphere do X represent"
He might have aired a self-own in a sense. His point seemed partially about maintaining the minimum atmospheric CO2 presence to sustain plant life, as though the transition to electric would take CO2 out of the atmosphere.
Yeah, but there's almost no chance of us lowering to that low of CO2 emissions. Taking that much carbon out of the air would require lowering the population by 80% or more.
I'm just gonna stand over here and tug at my shirt collar in a nervous fashion.