Carbon sequestration

Definition

Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide (CO2) to mitigate climate change and reduce greenhouse gas emissions. This method can occur naturally through biological processes in forests and soils or can be enhanced through technological solutions that capture CO2 from industrial sources or the atmosphere itself.

5 Must Know Facts For Your Next Test

1. Carbon sequestration can be categorized into two main types: geological sequestration, which stores CO2 underground in rock formations, and biological sequestration, which enhances the natural absorption of CO2 by ecosystems.
2. Forests play a crucial role in carbon sequestration by acting as carbon sinks, absorbing significant amounts of CO2 during photosynthesis.
3. Technological advancements, such as direct air capture (DAC) systems, are being developed to efficiently remove CO2 from the atmosphere for long-term storage or utilization.
4. Carbon sequestration has the potential to significantly reduce the amount of CO2 in the atmosphere, helping to combat global warming and achieve climate goals set by international agreements.
5. The effectiveness of carbon sequestration depends on various factors, including the method used, the location of the storage site, and monitoring practices to ensure long-term stability.

Review Questions

• How does carbon sequestration contribute to mitigating climate change?
  • Carbon sequestration plays a vital role in mitigating climate change by capturing CO2 emissions from industrial sources or directly from the atmosphere. By reducing the amount of greenhouse gases in the atmosphere, it helps lower global temperatures and combat climate-related impacts. The effectiveness of this process is amplified when combined with renewable energy sources and sustainable land management practices.
• Evaluate the potential benefits and challenges associated with implementing carbon sequestration technologies.
  • Implementing carbon sequestration technologies offers several benefits, including reducing atmospheric CO2 levels and supporting efforts to meet climate targets. However, challenges include high costs of technology development and deployment, potential environmental impacts from geological storage sites, and the need for robust regulatory frameworks to ensure safety. Balancing these factors is crucial for successful integration into climate strategies.
• Assess how the role of forests in carbon sequestration intersects with broader environmental policies aimed at sustainability and climate resilience.
  • The role of forests in carbon sequestration intersects significantly with environmental policies focused on sustainability and climate resilience. Protecting and restoring forests enhances their ability to act as carbon sinks while promoting biodiversity and ecosystem health. Integrating forest conservation into climate strategies not only contributes to carbon capture but also helps communities adapt to changing climates by preserving vital resources, thus creating a holistic approach to environmental management.

Related terms

Carbon dioxide (CO2): A colorless, odorless gas produced by burning fossil fuels and organic matter, and a significant greenhouse gas contributing to climate change.

Photosynthesis: The process by which green plants, algae, and some bacteria convert sunlight into chemical energy, capturing CO2 and releasing oxygen as a byproduct.

Bioenergy with carbon capture and storage (BECCS): A technological approach that combines biomass energy production with carbon capture and storage, aiming to create negative emissions by removing more CO2 from the atmosphere than is emitted.