Essay:CO2 levels - a human perspective
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I wasn't really sure what to use as the title for this essay; I mean human perspective as in using the concentration of substances in a human body in order to put CO2 concentrations in the atmosphere into perspective. Feel free to suggest a better title, or to point out any errors (knowing me there'll probably be quite a few...) or substances I've missed.
Why I'm writing this[edit]
A common argument used by opponents of athropogenic climate change is that with a concentration of "just" 400 parts per million (ppm), CO2 couldn't possibly have an effect great enough to cause any major damage to the Earth/it's inhabitants. To highlight how absurd this argument is I'm going to compose a list of substances which at that very same concentration in the human body (i.e. 400 milligrams per kilogram body mass) would most likely kill you.
- Botox.
- Caffeine.
- Aspirin.
- Nicotine.
- Plutonium-210.
- LSD.