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The Science of Climate Engineering

Atmospheric Carbon Dioxide Removal

Atmospheric Carbon Dioxide Removal (ACDR)

ACDR is a promising technology that could help to mitigate climate change. The idea behind ACDR is to remove carbon dioxide from the atmosphere and store it in a long-term sink such as the deep ocean or geological formations. There are several different methods for achieving ACDR, including direct air capture, enhanced weathering, and afforestation.

Direct Air Capture

Direct air capture involves the use of chemical processes to remove carbon dioxide from the air. One example of this is the use of amine solutions, which react with carbon dioxide to form a compound that can then be heated to release the carbon dioxide for storage.

Enhanced Weathering

Enhanced weathering involves the application of minerals that react with carbon dioxide to form stable compounds.

Afforestation

Afforestation involves the planting of trees to absorb carbon dioxide through photosynthesis.

ACDR has the potential to be a powerful tool in the fight against climate change. However, there are also several challenges and risks associated with the technology. One challenge is the high cost of ACDR, which could make it unfeasible for implementation on a large scale. Another challenge is the energy required to power ACDR systems, which could result in increased greenhouse gas emissions if not sourced from renewable energy. Additionally, there are risks associated with the long-term storage of carbon dioxide, including the potential for leakage and environmental damage.

Despite these challenges, ACDR remains an active area of research and development. Researchers are continuing to explore new methods for achieving ACDR and are working to address the challenges associated with the technology.

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Direct Air Capture and Mineralization

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