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Related Concept Videos

The Carbon Cycle01:14

The Carbon Cycle

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Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
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Carbon-dioxide Fixation01:28

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Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
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Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
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The Calvin Benson Cycle01:46

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Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, it is an inefficient enzyme, having an extremely slow catalytic rate. A typical enzyme can process about a thousand molecules per second; however, RuBisCo fixes only around three-carbon dioxides per second. Photosynthetic cells compensate for this slow rate by synthesizing very high amounts of RuBisCo, making it the most abundant single...
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Bioremediation00:46

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Related Experiment Video

Updated: Jun 11, 2025

Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture
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Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture

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Capturing carbon to mitigate climate change: storage or use?

Monica Hoyos Flight1, Joyce Tait1

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Trends in Biotechnology
|October 5, 2024
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Reducing atmospheric carbon dioxide (CO2) is crucial for climate change mitigation. Capturing CO2 and utilizing or storing it, guided by smart government policies, offers pathways to a sustainable future.

Keywords:
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Area of Science:

  • Environmental Science
  • Climate Science
  • Policy Studies

Background:

  • Climate change necessitates urgent action to reduce atmospheric carbon dioxide (CO2).
  • CO2 capture technologies are critical alongside emission reduction strategies.
  • Policy frameworks must guide CO2 utilization and storage decisions.

Purpose of the Study:

  • To highlight the importance of CO2 capture for climate change mitigation.
  • To discuss the strategic decisions between CO2 utilization and storage.
  • To emphasize the role of government policy in coordinating climate actions.

Main Methods:

  • Review of current climate change mitigation strategies.
  • Analysis of CO2 capture, utilization, and storage (CCUS) pathways.
  • Policy analysis focusing on bioeconomy and incentive structures.

Main Results:

  • CO2 capture is a vital complement to emission reductions.
  • The choice between CO2 utilization and storage depends on specific outcomes.
  • Coordinated government policies are essential to avoid counterproductive incentives.

Conclusions:

  • Effective climate change mitigation requires both emission reduction and CO2 capture.
  • Strategic deployment of CO2 capture technologies is necessary.
  • Integrated government policies are key to successful climate action and sustainable bioeconomy development.