17.09.2021

# New Publications

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Pritchard, Rose (2021): Politics, power and planting trees

Pritchard, Rose (2021): Politics, power and planting trees. In Nat Sustain 365, p. 76. DOI: 10.1038/s41893-021-00769-5.

"Tree planting is often proposed as part of the solution to climate change. A new study demonstrates why it is critical to see this as a social science issue, not just an ecological one."

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13.09.2021

# Media

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Podcast: Carbon Removal Newsroom: Biochar, carbon dioxide removal in the US, and geoengineering

"This week on Carbon Removal Newsroom, we’re starting off with an overview of biochar and discussing the main questions and concerns around this technology, including: How does biochar compare to other Carbon Dioxide Removal (CDR) methods? There is a lot of interest in making biochar, but does the market exist to use it? What can governments do to help scale up the use of biochar as a carbon removal technique? Are any governments taking action yet? Next, we transition to the CDR policy agenda in the United States. We look at the California Climate Crisis Act (AB 1395), which would Codify California’s commitment to achieve net-zero greenhouse gas emissions as soon as possible and no later than 2045. If passed, this bill will set California on course to design a more comprehensive policy framework for CDR than exists in any state so far."

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13.09.2021

# Media

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The Hill: A realistic response to the climate wake-up call

"Leaders across the world raised the alarm in response to the latest assessment of climate change by the Intergovernmental Panel on Climate Change (IPCC). Christiana Figueres, the former executive secretary of the UN Framework Convention on Climate Change said, 'This is a massive wake-up call that is sounding yet another alarm bell.' Al Gore warned 'There is no time left to waste,' and UN Secretary-General Antonio Guterres said, 'A code red for humanity.'"

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08.09.2021

# Political Papers

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Romany M. Webb, et al. (2021): Removing Carbon Dioxide Through Ocean Alkalinity Enhancement and Seaweed Cultivation. Legal Challenges and Opportunities. Columbia Law School: Sabin Centre for Climate Change Law

Romany M. Webb, Korey Silverman-Roati (2021): Removing Carbon Dioxide Through Ocean Alkalinity Enhancement and Seaweed Cultivation. Legal Challenges and Opportunities. Columbia Law School: Sabin Centre for Climate Change Law. New York. Available online at https://climate.law.columbia.edu/sites/default/files/content/Webb%20et%20al%20-%20Removing%20CO2%20Through%20Ocean%20Alkalinity%20Enhancement%.

"This paper explores two ocean-based carbon dioxide removal strategies—ocean alkalinity enhancement and seaweed cultivation. Ocean alkalinity enhancement involves adding alkalinity to ocean waters, either by discharging alkaline rocks or through an electrochemical process, which increases ocean pH levels and thereby enables greater uptake of carbon dioxide, as well as reducing the adverse impacts of ocean acidification. Seaweed cultivation involves the growing of kelp and other macroalgae to store carbon in biomass, which can then either be used to replace more greenhouse gas-intensive products or sequestered. This paper examines the international and U.S. legal frameworks that apply to ocean alkalinity enhancement and seaweed cultivation. Depending on where they occur, such activities may be subject to international, national, state, and/or local jurisdiction."

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06.09.2021

# Media

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Energy Post: Only Carbon Removal can make Germany’s new climate goal a reality

"Germany can’t hit its emissions targets without significant carbon dioxide removal (CRD), explain Simon Göss and Hendrik Schuldt at cr.hub. Clean energy and energy efficiency won’t do it alone. Policymakers have grasped that hard-to-abate sectors (industry, agriculture, buildings, transport) will struggle to deliver the reductions needed. Meanwhile, the climate disasters (floods, wildfires, etc.) that have cost lives this year are piling on pressure from the public."

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06.09.2021

# New Publications

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Rodrigues, Renato; et al. (2021): Narrative-driven alternative roads to achieve mid-century CO2 net neutrality in Europe

Rodrigues, Renato; Pietzcker, Robert; Fragkos, Panagiotis; Price, James; McDowall, Will; Siskos, Pelopidas et al. (2021): Narrative-driven alternative roads to achieve mid-century CO2 net neutrality in Europe. In Energy, p. 121908. DOI: 10.1016/j.energy.2021.121908.

"The tightened climate mitigation targets of the EU green deal raise an important question: Which strategy should be used to achieve carbon emissions net neutrality? This study explores stakeholder-designed narratives of the future energy system development within the deep decarbonization context. European carbon net-neutrality goals are put under test in a model comparison exercise using state of the art Energy-Environment-Economy (E3) models: ETM-UCL, PRIMES and REMIND."

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06.09.2021

# New Publications

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Rickels, Wilfried; Schwinger, Jörg (2021): Implications of temperature overshoot dynamics for climate and carbon dioxide removal policies in the DICE model

Rickels, Wilfried; Schwinger, Jörg (2021): Implications of temperature overshoot dynamics for climate and carbon dioxide removal policies in the DICE model. In Environ. Res. Lett. Available online at http://iopscience.iop.org/article/10.1088/1748-9326/ac22c0.

"Assessing climate policies involving temporary overshoot of temperature targets require an accurate representation of carbon cycle and climate dynamics. Here, we compare temperature overshoot climate policies obtained with the Dynamic Integrated Climate–Economy (DICE) integrated assessment model using two different climate-carbon cycle sub-models: First, the original DICE implementation, and second an implementation of the Finite Amplitude Impulse Response (FaIR) simple climate model. We analyze in a cost-effectiveness framework the minimum abatement and carbon dioxide removal costs for compliance against a (future) ceiling on temperatures."

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03.09.2021

# Media

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The Atlantic: How the U.S. Could Slash Climate Pollution by 2030

"Democrats will soon reveal how the Biden administration’s plans could cut U.S. climate pollution in half this decade. Is that goal even possible?"

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03.09.2021

# Media

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MIT Technology Review: Why capturing carbon is an essential part of Biden’s climate plans

"In a Q&A, the new chief of staff at the Office of Fossil Energy explains why trapping and storing CO2 'is really the only option' for major parts of the economy."

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03.09.2021

# New Publications

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Mackler, Sasha; et al. (2021): A policy agenda for gigaton-scale carbon management

Mackler, Sasha; Fishman, Xan; Broberg, Danny (2021): A policy agenda for gigaton-scale carbon management. In The Electricity Journal 34 (7), p. 106999. DOI: 10.1016/j.tej.2021.106999.

"the scale of the climate challenge is monumental. Today’s global economy still relies on fossil fuels for 84 % of its energy needs; these fuels are extracted, transported, processed, and consumed through large, intricate, and often interconnected systems that developed over more than a century and reflect trillions of dollars of invested capital. In 2019, the United States accounted for 6 billion of the 40 billion tons of greenhouse gases emitted globally. In the span of a few decades, we must transition to an economy with net-zero emissions. The scale of this challenge—technologically, financially, logistically, and politically—is difficult to overstate. And success will not be possible unless critical clean energy and climate mitigation technologies, several of which are still in the nascent stages of commercialization and deployment, are scaled by several orders of magnitude within the next two decades. Technologies for managing carbon emissions, including technologies that can capture carbon dioxide (CO2) from large point sources or remove CO2 from the atmosphere, are among these high priority solutions, and must be scaled to the gigaton level by 2050."

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