Beyond the Hype: Why Direct Carbon Capture Isn't a Silver Bullet

Direct carbon capture (DAC) is often hailed as a promising solution to combat climate change by removing carbon dioxide (CO2) from the atmosphere. However, despite the recent surge in funding and government support for DAC, there are several reasons why this technology may not be a viable solution for sequestering carbon, and a nature-based response may be a more established and effective approach.

The first issue with DAC is scaling its capability is limited and costly. The largest DAC plant to date captures only 4,000 tones of CO2 per year, and it would require billions of dollars in investment to build a megaton facility capable of capturing a meaningful amount of CO2 from the atmosphere. The cost of DAC remains high, and it is uncertain whether the technology can be scaled up to capture the billions of tones of CO2 that would be required to meet global climate goals (Reuters, 2023). This raises questions about the economic feasibility and scalability of DAC as a solution for large-scale carbon removal.

The second issue is that there are concerns about the talent pool and expertise in DAC. The development of DAC requires specialized knowledge and skills, and there is currently a lack of university programs and trained personnel in this field. This could pose challenges in recruiting and training a sufficient workforce to implement and operate DAC facilities (Reuters, 2023). This highlights the need for a substantial investment in research and education to develop the necessary expertise in DAC.

Another concern of implementing DAC is the involvement of oil companies. While some oil companies have shown interest in DAC projects and have applied for government funding, they are viewed with skepticism by some in the carbon removal community. There are concerns about the potential conflicts of interest and the role of oil companies in shaping the direction and priorities of DAC research and development. Additionally, the involvement of oil companies may not align with the broader goal of transitioning away from fossil fuels and reducing greenhouse gas emissions (Reuters, 2023).

In contrast, nature-based solutions for carbon sequestration, such as afforestation, reforestation, and soil carbon sequestration, have been extensively studied and have proven to be effective in removing and storing carbon from the atmosphere (Griscom et al., 2017; Minx et al., 2018). These approaches have multiple co-benefits, such as biodiversity conservation, ecosystem services, and climate resilience, and can be implemented at various scales, from local to global. Nature-based solutions also have lower costs and risks compared to DAC, and they can be readily integrated into existing land management and conservation practices.

While DAC has received significant attention and funding as a potential solution for carbon removal, there are concerns about its scalability, cost-effectiveness, expertise, and the involvement of oil companies. Nature-based solutions, on the other hand, are established, cost-effective, and have multiple co-benefits. Investing in and scaling up nature-based solutions for carbon sequestration can provide a more sustainable and effective approach to addressing climate change. 

If you are interested in showing your support for Nature-based solutions, check out our friends at The Evergreen Exchange!




References:

Griscom, B. W., Adams, J., Ellis, P. W., Houghton, R. A., Lomax, G., Miteva, D. A., Schlesinger, W. H., Shoch, D., Siikamäki, J. V., Smith, P., Woodbury, P., Zganjar, C., Blackman, A., Campari, J., Conant, R. T., Delgado, C., Elias, P., Gopalakrishna, T., Hamsik, M. R., … Fargione, J. (2017). Natural climate solutions. Proceedings of the National Academy of Sciences, 114(44), 11645–11650. doi:10.1073

 Jan C Minx et al 2018 Environ. Res. Lett. 13 063001

DOI 10.1088/1748-9326/aabf9b

 Twidale, S., Volcovici, V., Jessop, S., & Henderson, P. (2023). Facing brutal climate math, Us bets billions on direct air capture. Reuters. Retrieved 2023, from https://www.reuters.com/world/us/facing-brutal-climate-math-us-bets-billions-direct-air-capture-2023-04-18/. 


Comments

Popular posts from this blog

Canine Revolution Announces Industry-defining Kinetic Rewards Program

What Do YOU Know About Climate Change

Climate, Altruism, and Accountability: 5 Ways Kinetically Anchored Tokens Are About to Transform the Environmental Movement