Earth atmosphere had 95% CO2 in the beginning. What happened to it? - Data Matters from Clidemy - India Renewable Energy Consulting – Solar, Biomass, Wind, Cleantech
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Net Zero by Narsi is a series of brief posts by Narasimhan Santhanam (Narsi), on decarbonization and climate solutions.
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Earth atmosphere had 95% CO2 in the beginning. What happened to it? – Data Matters from Clidemy

𝑫𝒂𝒕𝒂 𝑴𝒂𝒕𝒕𝒆𝒓𝒔 from CliDemy – the Climate Academy is a series that provides actionable insights for stakeholders based on high impact data & facts around climate, climate action and decarbonization.

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%.

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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 🙂

See my LinkedIn post on this topic.


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About Narasimhan Santhanam (Narsi)

Narsi, a Director at EAI, Co-founded one of India's first climate tech consulting firm in 2008.

Since then, he has assisted over 250 Indian and International firms, across many climate tech domain Solar, Bio-energy, Green hydrogen, E-Mobility, Green Chemicals.

Narsi works closely with senior and top management corporates and helps then devise strategy and go-to-market plans to benefit from the fast growing Indian Climate tech market.

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