Environmental and Occupational Health

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Carbon sequestration

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Environmental and Occupational Health

Definition

Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide (CO2) to mitigate climate change. This technique is crucial for reducing greenhouse gas concentrations in the atmosphere, helping to lower global temperatures and combat the adverse effects of climate change. It can occur naturally through biological processes or be implemented through engineered solutions that enhance carbon storage in various ecosystems and geological formations.

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5 Must Know Facts For Your Next Test

  1. Carbon sequestration can occur through natural processes such as afforestation, reforestation, and soil management practices that increase carbon storage in plants and soils.
  2. Technological methods for carbon sequestration include carbon capture and storage (CCS), where CO2 emissions from power plants and industrial processes are captured and stored underground.
  3. Effective carbon sequestration can significantly contribute to achieving net-zero emissions goals set by many countries and organizations worldwide.
  4. Marine ecosystems, such as mangroves, seagrasses, and salt marshes, play a vital role in carbon sequestration by absorbing CO2 from the atmosphere and storing it in their biomass and sediments.
  5. Long-term storage of sequestered carbon is critical; improper management can lead to the release of stored CO2 back into the atmosphere, negating the benefits of sequestration efforts.

Review Questions

  • How does carbon sequestration help in mitigating climate change?
    • Carbon sequestration helps mitigate climate change by capturing CO2 from the atmosphere and storing it safely to prevent it from contributing to the greenhouse effect. This process reduces the overall concentration of greenhouse gases in the air, which is essential for controlling global temperatures. By lowering atmospheric CO2 levels, carbon sequestration plays a crucial role in achieving climate targets set by governments and organizations around the world.
  • Discuss the different methods of carbon sequestration and their effectiveness in reducing atmospheric CO2 levels.
    • There are various methods of carbon sequestration, including natural approaches like afforestation and reforestation, as well as technological solutions such as carbon capture and storage (CCS). Natural methods can be highly effective due to their ability to enhance soil health and biodiversity while storing significant amounts of CO2. In contrast, CCS technology targets emissions directly from industrial sources, aiming for safe underground storage. Each method has its advantages and limitations; thus, a combination of strategies may be necessary for maximum impact.
  • Evaluate the potential long-term impacts of large-scale carbon sequestration on ecosystems and human communities.
    • Large-scale carbon sequestration has the potential to significantly impact ecosystems and human communities both positively and negatively. On one hand, enhanced carbon storage can improve soil health, increase agricultural productivity, and support biodiversity. On the other hand, if not managed carefully, it could lead to unintended consequences such as land-use changes that disrupt local habitats or socioeconomic disparities if communities are excluded from decision-making processes. Therefore, it is essential to implement carbon sequestration practices with thorough consideration of environmental justice and ecological balance.

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