16. Clearing the Air: Bioenergy, Carbon Capture & Direct Air Capture Aren’t Solutions (2/2)

Nov 22, 2023 · 46m 2s
16. Clearing the Air: Bioenergy, Carbon Capture & Direct Air Capture Aren’t Solutions (2/2)
Description

In the second half of the discussion with Dr. Joseph Romm, hosted by Michael Barnard, the conversation focuses on sustainability and the critical examination of various climate solutions. They delve...

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In the second half of the discussion with Dr. Joseph Romm, hosted by Michael Barnard, the conversation focuses on sustainability and the critical examination of various climate solutions.

They delve into the challenges and potential pitfalls of relying on bioenergy with carbon capture and storage (BECCS), emphasizing its inefficiency and the unrealistic land requirements for scaling it up. They point out that solely planting trees won't suffice to address climate change or achieve net-zero emissions by 2050, highlighting the need for a holistic and long-term strategy.

Dr. Romm and Barnard discuss the limitations of carbon capture and storage systems, underscoring the significant energy input, infrastructural needs, safety concerns, and the limited impact they can have on global warming solutions. They also critically evaluate direct air capture technology, pointing out the massive energy requirements due to low atmospheric CO2 concentrations.

The dialogue then shifts to the inefficiency of direct air capture as a method for CO2 emission reduction, advocating for a comprehensive approach to emission reduction, which includes transitioning to electric ground transport and decarbonizing the grid. The potential of heat pumps and the sequestration of carbon through mushrooms are also mentioned as part of the broader solution.

Dr. Romm, a senior research fellow at the University of Pennsylvania Center for Science, Sustainability, and the Media, concludes the discussion by urging a focus on proven solutions to climate change and debunking the viability of certain methods like BECCS. He encourages looking into his published papers, available now, via the University of Pennsylvania for a more in-depth understanding.

Link to Joe Romm publications: https://web.sas.upenn.edu/pcssm/publications/
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Author Laurent Segalen + Gerard Reid
Organization Laurent Segalen + Gerard Reid
Website www.redefining-energy.com
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