𝐄𝐚𝐫𝐭𝐡 𝐚𝐭𝐦𝐨𝐬𝐩𝐡𝐞𝐫𝐞 𝐡𝐚𝐝 95% 𝐂𝐎2 𝐢𝐧 𝐭𝐡𝐞 𝐛𝐞𝐠𝐢𝐧𝐧𝐢𝐧𝐠. 𝐖𝐡𝐚𝐭 𝐡𝐚𝐩𝐩𝐞𝐧𝐞𝐝 𝐭𝐨 𝐢𝐭? - 𝐃𝐚𝐭𝐚 𝐌𝐚𝐭𝐭𝐞𝐫𝐬 𝐟𝐫𝐨𝐦 𝐂𝐥𝐢𝐝𝐞𝐦𝐲
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Studies suggest that earth's atmosphere would have been predominantly CO2 - as much 95% by volume - when the planet was first formed about 4.5 billion years back.
Even a couple of billion years later (about 2.7 billion years back), the CO2 concentrations were about 25-50% of the atmosphere.
Now, it is just above 0.04%.
How did this happen? Where did all the CO2 go?
Into all the places you and I know well - plants, oceans, rocks....
Is it any wonder that most of what we are seeing all around us has carbon in it - including us, of course!
Now, what does all these mean from a practical standpoint?
If CO2 levels came down from 95% to 0.04% through its conversions to diverse forms on earth, similar processes should provide avenues to reduce it from 0.04% to say 0.02%?
What do you think?
BTW, the above perspective is hardly original, though I fancy my articulation and context setting possibly are 🙂