13.07.2020

# Calls & events

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Newsletter of Week 29 of 2020

The newsletter of calendar week 29 of 2020 is now available here.


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13.07.2020

# Political Papers

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IEAGHG: Annual Review 2019

"The 2019 Annual Review is available to download now. The Annual Review outlines the work undertaken and produced by the IEAGHG including key achievements, networks, technical reports, information papers and presentations made by members of staff at external meetings."

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13.07.2020

# Media

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Phys.org: Applying rock dust to croplands could absorb up to 2 billion tonnes of CO2 from the atmosphere

"In the first nation-by-nation assessment, published in Nature, scientists have demonstrated the method's potential for carbon drawdown by major economies, and identified the costs and engineering challenges of scaling up the approach to help meet ambitious global CO2 removal targets."

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13.07.2020

# Media

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Nature: Climate urgency dampens public acceptance of carbon dioxide removal

"A new public conversation about the urgency of climate change is important for people's perceptions of CO2 removal technologies."

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13.07.2020

# New Publications

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Waring, Bonnie; et al. (2020): What role can forests play in tackling climate change?

Waring, Bonnie; Neumann, Mathias; Prentice, Ian Colin; Adams, Mark; Smith, Pete; Siegert, Martin (2020): What role can forests play in tackling climate change? Grantham Institute Discussion paper 6. Imperial College London. London.

"This discussion paper consolidates knowledge on the potential environmental, economic and societal benefits of using trees to reduce the concentration of carbon dioxide in the atmosphere. It highlights areas for further research and defines the limits of trees’ ability to halt the progress of climate change."

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13.07.2020

# Media

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ARPA-E: New Program in Carbon Optimized Bioconversion (upcoming funding announcement)

"Proposed systems of interest include, but are not limited to (1) carbon-optimized fermentation strains that avoid CO2 evolution, (2) engineered mixotrophic consortia or systems that avoid CO2 evolution, (3) biomass derived sugar or carbon oxide gas fermentation with internal CO2 utilization, (4) cell-free carbon optimized biocatalytic biomass conversion and/or CO2 utilization, (5) cross-cutting or other proposed carbon optimized bioconversion schemes."

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13.07.2020

# New Publications

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Visioni, Daniele; et al. (2020): Reduced poleward transport due to stratospheric heating under geoengineering

Visioni, Daniele; Simpson, Isla Ruth; MacMartin, Douglas G.; Richter, Jadwiga H.; Kravitz, Ben; Lee, Walker (2020): Reduced poleward transport due to stratospheric heating under geoengineering. In Earth and Space Science Open Archive. DOI: 10.1002/essoar.10503509.1.

"[...] the stratospheric heating produced by these aerosols modifies the global circulation and strengthens the stratospheric polar vortex that acts as a barrier to the transport of air towards the poles. We show how this heating results in a nonlinear feedback where increasing injection rates lead to a stronger high latitudinal transport barrier. This implies a potential limitation in the high-latitude aerosol burden and subsequent high-latitude cooling."

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10.07.2020

# Media

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CarbonBrief: Guest post: How public attitudes towards ‘CO2 removal’ differ in the UK and US

"With global greenhouse gas emissions still increasing – and Covid-19 lockdown restrictions merely causing a short-term dip – the challenge of holding global temperature rise to 1.5C above pre-industrial levels is looking ever more formidable."

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09.07.2020

# New Publications

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Singh, Jyoti; et al. (2020): Can stratospheric geoengineering alleviate global warming-induced changes in deciduous fruit cultivation? The case of Himachal Pradesh (India)

Singh, Jyoti; Sahany, Sandeep; Robock, Alan (2020): Can stratospheric geoengineering alleviate global warming-induced changes in deciduous fruit cultivation? The case of Himachal Pradesh (India). In Climatic Change. DOI: 10.1007/s10584-020-02786-3.

"Using Hadley Global Environment Model 2 - Earth System and Max Planck Institute Earth System Model simulations, we assess the impact of global warming and stratospheric geoengineering on deciduous fruit production in Himachal Pradesh (the second-largest apple-producing state in India). The impacts have been assessed for the Representative Concentration Pathways 4.5 (RCP4.5) global warming scenario, and a corresponding geoengineered scenario (G3) from the Geoengineering Model Intercomparison Project, in which stratospheric aerosols are increased for 50 years from 2020 through 2069 to balance the global warming radiative forcing, and then aerosol precursor emissions are terminated."

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09.07.2020

# Media

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CarbonBrief: Where in the UK might be suitable for BECCS?

"As global temperature rise pushes past 1C above pre-industrial levels, the time remaining to meet the goals of the Paris Agreement becomes increasingly tight."

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