05.10.2020

# New Publications

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Haus, Johannes; et al. (2020): Increasing the efficiency of chemical looping combustion of biomass by a dual-stage fuel reactor design to reduce carbon capture costs

Haus, Johannes; Lindmüller, Lennard; Dymala, Timo; Jarolin, Kolja; Feng, Yi; Hartge, Ernst-Ulrich et al. (2020): Increasing the efficiency of chemical looping combustion of biomass by a dual-stage fuel reactor design to reduce carbon capture costs. In Mitig Adapt Strat Glob Change 25 (6), pp. 969–986. DOI: 10.1007/S11027-020-09917-2.

"This paper analyzes the capabilities of a pilot-scale chemical looping combustion plant firing wood biomass in two stages to efficiently achieve negative carbon dioxide emissions."

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02.10.2020

# New Publications

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Seeley, Jacob Thomas; et al. (2020): Designing a radiative antidote to CO2

Seeley, Jacob Thomas; Lutsko, Nicholas; Keith, David W. (2020): Designing a radiative antidote to CO2. In Geophys. Res. Lett. DOI: 10.1002/essoar.10504359.1. Preprint.

"Previous results indicate that the global hydrological cycle is more sensitive to Solar Radiation Modification (SRM) than is the surface temperature. Thus, it is expected that restoring temperature with SRM would decrease evaporation and precipitation. However, here we show that a more complete radiative antidote to CO2 can be obtained by spectrally tuning the SRM intervention, reducing insolation at some wavelengths more than others."

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27.09.2020

# New Publications

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Frischmann, Chad Jonathan; et al. (2020): Drawdown’s ‘System of Solutions’ Helps to Achieve the SDGs

Frischmann, Chad Jonathan, Mamta Mehra, Ryan Allard, Kevin Bayuk, João Pedro Gouveia, and Miranda R. Gorman (2020): Drawdown’s ‘System of Solutions’ Helps to Achieve the SDGs. Encyclopedia of the UN Sustainable Development Goals. Living reference work entry. https://doi.org/10.1007/978-3-319-71067-9_100-1.

‌"This entry describes the linkages between “Drawdown solutions” and the targets and goals set out by the United Nations Sustainable Development Goals (SDGs). It is proposed that the implementation of these solutions can substantially help to achieve the SDGs by 2030, with even greater gains when implementing actions in parallel as a “system of solutions” enabled by broad-based, effective partnerships at local, regional, and international scales."

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27.09.2020

# New Publications

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Service, Robert F. (2020): The Carbon Vault

Service, Robert F. (2020): The Carbon Vault. Science 369 (6508): 1156–59. https://doi.org/10.1126/science.369.6508.1156.

"Every year, mining and industrial activity generates billions of tons of slurries, gravel, and other wastes that have a high pH. These alkaline wastes, which sit either behind fragile dams or heaped in massive piles, present a threat to people and ecosystems. But alkaline wastes could also help the world avert climate disaster. Reacting these wastes with carbon dioxide (CO2) from the air converts gaseous carbon into minerals and neutralizes the wastes' alkalinity."

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24.09.2020

# New Publications

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Cook-Patton, Susan C.; et al. (2020): Mapping carbon accumulation potential from global natural forest regrowth

Cook-Patton, Susan C.; Leavitt, Sara M.; Gibbs, David; Harris, Nancy L.; Lister, Kristine; Anderson-Teixeira, Kristina J. et al. (2020): Mapping carbon accumulation potential from global natural forest regrowth. In Nature 585 (7826), pp. 545–550. DOI: 10.1038/s41586-020-2686-x.

"Regrowing natural forests is a prominent strategy for capturing additional carbon3, but accurate assessments of its potential are limited by uncertainty and variability in carbon accumulation rates2,3. To assess why and where rates differ, here we compile 13,112 georeferenced measurements of carbon accumulation."

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23.09.2020

# New Publications

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Watson, Andrew J.; et al. (2020): Revised estimates of ocean-atmosphere CO2 flux are consistent with ocean carbon inventory

Watson, Andrew J.; Schuster, Ute; Shutler, Jamie D.; Holding, Thomas; Ashton, Ian G. C.; Landschützer, Peter et al. (2020): Revised estimates of ocean-atmosphere CO2 flux are consistent with ocean carbon inventory. In Nat Comms 11 (1), p. 4422. DOI: 10.1038/s41467-020-18203-3.

"We estimate uncertainties using multiple interpolation methods, finding convergent results for fluxes globally after 2000, or over the Northern Hemisphere throughout the period. Our corrections reconcile surface uptake with independent estimates of the increase in ocean CO2 inventory, and suggest most ocean models underestimate uptake."

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23.09.2020

# New Publications

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Sawall, Yvonne; et al. (2020): Discrete Pulses of Cooler Deep Water Can Decelerate Coral Bleaching During Thermal Stress: Implications for Artificial Upwelling During Heat Stress Events

Sawall, Yvonne; Harris, Moronke; Lebrato, Mario; Wall, Marlene; Feng, Ellias Yuming (2020): Discrete Pulses of Cooler Deep Water Can Decelerate Coral Bleaching During Thermal Stress: Implications for Artificial Upwelling During Heat Stress Events. In Front. Mar. Sci. 7, p. 720. DOI: 10.3389/fmars.2020.00720.

"Artificial upwelling of cooler deep water to the surface layer may be a possible mitigation/management tool. In this study, we investigated the effect of simulated artificial upwelling with deep water off Bermuda collected at 50 m (24°C) and 100 m (20°C) on coral symbiont biology of 3 coral species (Montastrea cavernosaPorites astreoides, and Pseudodiploria strigosa) in a temperature stress experiment."

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22.09.2020

# New Publications

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Corbett, Charles R. (2020): "Extraordinary" and "Highly Controversial": Federal Research of Solar Geoengineering Under NEPA

Corbett, Charles R. (2020): "Extraordinary" and "Highly Controversial": Federal Research of Solar Geoengineering Under NEPA. (September 21, 2020). Northwestern University Law Review Online (forthcoming), Available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3696942.

"This Essay argues that NOAA should use its discretion to conduct a programmatic environmental assessment under the National Environmental Policy Act (“NEPA”) as an initial step in complying with Congress’s mandate. Federal research into solar geoengineering is an extraordinary and highly controversial policy. The agency should carefully consider the environmental, social, and political impacts that may come with this undertaking. Further, the public deserves an opportunity to weigh in on the matter and to be appraised of its risks."

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22.09.2020

# New Publications

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Domke, Grant M.; et al. (2020): Tree planting has the potential to increase carbon sequestration capacity of forests in the United States.

Domke, Grant M.; Oswalt, Sonja N.; Walters, Brian F.; Morin, Randall S. (2020): Tree planting has the potential to increase carbon sequestration capacity of forests in the United States. In PNAS, p. 202010840. DOI: 10.1073/pnas.2010840117.

"Here we use data from more than 130,000 national forest inventory plots to describe the contribution of nearly 1.4 trillion trees on forestland in the conterminous United States to mitigate CO2 emissions and the potential to enhance carbon sequestration capacity on productive forestland."

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21.09.2020

# New Publications

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Singh, M.; et al. (2020): Fingerprint of volcanic forcing on the ENSO-Indian monsoon coupling

Singh, M.; Krishnan, R.; Goswami, B.; Choudhury, A. D.; Swapna, P.; Vellore, R. et al. (2020): Fingerprint of volcanic forcing on the ENSO-Indian monsoon coupling. In Science Advances 6 (38). DOI: 10.1126/sciadv.aba8164.

"Here, we investigate how LVEs influence the nonlinear behavior of the ENSO and IM dynamical systems using historical data, 25 paleoclimate reconstructions, last-millennium climate simulations, large-ensemble targeted climate sensitivity experiments, and advanced analysis techniques."

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