Carbon sequestration

Illustration showing both terrestrial and geological sequestration of carbon dioxide

Carbon sequestration is the process of capturing carbon dioxide (CO₂) gas in the atmosphere.^[1] One method of sequestration is by capturing CO₂ produced by power plants and factories before they release it into the atmosphere.^[1] When the CO₂ gas is in long-term storage, that means it has been sequestered.

Carbon sequestration aims to assist in elimination of human introduced carbon from Earth's atmosphere by disrupting the carbon cycle. It is also used to prevent future human caused climate change.^[2]

Methods

There are two long-term ways to remove CO₂ from the atmosphere:

Terrestrial Sequestration- plants and trees store CO₂ in their bodies and in their roots.^[3]
geologic sequestration- bury the CO₂ thousands of feet underground.^[4]

Carbon Sequestration Media

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Geologic and biologic carbon sequestration of excess carbon dioxide in the atmosphere emitted by human activities
Proportion of carbon stock in forest carbon pools, 2020
Total forest carbon stock, by carbon pool, 2025.
A healthy wetland ecosystem
Panicum virgatum switchgrass, valuable in biofuel production, soil conservation, and carbon sequestration in soils
Biochar can be landfilled, used as a soil improver or burned using carbon capture and storage.
Wellhead near Estevan, SK, where CO2 is injected into a 3.4km deep saline aquifer
The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports carbon and then exports it back to the atmosphere and ocean floor
Kelp forest

References

↑ ^1.0 ^1.1 What Is CO2 Sequestration?University of North Dakota Energy & Environmental Research Center. Retrieved 15 December 2015.^{[dead link]}
↑ Carbon Sequestration: Too Little, Too Late?MIT Technology Review. Retrieved 15 December 2015.^{[dead link]}
↑ Carbon Sequestration in Terrestrial EcosystemsOak Ridge National Laboratory (ORNL). Retrieved 15 December 2015.^{[dead link]}
↑ Carbon Dioxide Capture and SequestrationUnited States Environmental Agency (EPA). Retrieved 15 December 2015.

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[EERC-1] 1.0 ^1.1 What Is CO2 Sequestration?University of North Dakota Energy & Environmental Research Center. Retrieved 15 December 2015.^{[dead link]}

[2] Carbon Sequestration: Too Little, Too Late?MIT Technology Review. Retrieved 15 December 2015.^{[dead link]}

[3] Carbon Sequestration in Terrestrial EcosystemsOak Ridge National Laboratory (ORNL). Retrieved 15 December 2015.^{[dead link]}

[4] Carbon Dioxide Capture and SequestrationUnited States Environmental Agency (EPA). Retrieved 15 December 2015.

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