CO2 levels Climate change
Eythan, Shivani, Aaryan, Pavlo, Ryan
Increasing crust solidification, outgassing, LHB, leads to nitrogen, co2, methane, and inert gases in atmosphere.
Oxygen is not present in atmosphere as it is used in oxidation or ferrous iron, sulfur, and atmospheric methane.
With increasing oxygen levels, the atmosphere shifts from reducing to oxidising.
O2 varies greatly during the Proterozoic eon (after Archean) .
Primarily hydrogen and gases f rom the solar nebula.
Water vapour, methane, ammonia, hydride rich.
Heavy atmospheric pressure of 27+ atm results from high co2 presence
2.4 Ga
4.03 Ga
4.6 Ga
Biotic
Prebiotic
Hadean
Why are CO2 levels rising?
- Fossil fuels
- Deforestation
- Natural carbon cycle
Atmospheric CO2 levels:
- Infrared gas analysers
- Non-dispersive infrared sensors
- Chemical absorption
- Ice core
Fossil Fuels and CO2...
06. Graphic + text
Why is this important?
Climate change:- Wildfires
- Melting glaciers
- Sea levels
- Spread of diseases
04. Relevant Data
Thank you
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We better capture visual content. Visual content is associated with cognitive and psychological mechanisms. Things come in through the eyes, the first image is what counts. We associate visual contentwith emotions.
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Pose a dramatic question; it's the essential ingredient to maintain audience attention. It's usually subtly posed at the beginning of the story to intrigue the audience and is resolved at the end.
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We better grasp visual content. Visual content is associated with cognitive and psychological mechanisms. Things come in through the eyes, the first image is what counts. We associate visual contentwith emotions.
CO2 presentation
Shivani Shanmugasundaram
Created on November 5, 2025
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Transcript
CO2 levels Climate change
Eythan, Shivani, Aaryan, Pavlo, Ryan
Increasing crust solidification, outgassing, LHB, leads to nitrogen, co2, methane, and inert gases in atmosphere. Oxygen is not present in atmosphere as it is used in oxidation or ferrous iron, sulfur, and atmospheric methane.
With increasing oxygen levels, the atmosphere shifts from reducing to oxidising. O2 varies greatly during the Proterozoic eon (after Archean) .
Primarily hydrogen and gases f rom the solar nebula. Water vapour, methane, ammonia, hydride rich. Heavy atmospheric pressure of 27+ atm results from high co2 presence
2.4 Ga
4.03 Ga
4.6 Ga
Biotic
Prebiotic
Hadean
Why are CO2 levels rising?
Atmospheric CO2 levels:
Fossil Fuels and CO2...
06. Graphic + text
Why is this important?
Climate change:- Wildfires
- Melting glaciers
- Sea levels
- Spread of diseases
04. Relevant Data
Thank you
Here you can put ahighlighted title
We better capture visual content. Visual content is associated with cognitive and psychological mechanisms. Things come in through the eyes, the first image is what counts. We associate visual contentwith emotions.
Here you can put aprominent title
Pose a dramatic question; it's the essential ingredient to maintain audience attention. It's usually subtly posed at the beginning of the story to intrigue the audience and is resolved at the end.
Here you can put ahighlighted title
We better grasp visual content. Visual content is associated with cognitive and psychological mechanisms. Things come in through the eyes, the first image is what counts. We associate visual contentwith emotions.