17.05.2021

# New Publications

0 Comments

Giannousakis, Anastasis; et al. (2021): How uncertainty in technology costs and carbon dioxide removal availability affect climate mitigation pathways

Giannousakis, Anastasis; Hilaire, Jérôme; Nemet, Gregory F.; Luderer, Gunnar; Pietzcker, Robert C.; Rodrigues, Renato et al. (2021): How uncertainty in technology costs and carbon dioxide removal availability affect climate mitigation pathways. In Energy 216, p. 119253. DOI: 10.1016/j.energy.2020.119253.

"We assess how energy supply costs and carbon dioxide removal (CDR) availability affect mitigation by performing a sensitivity analysis with the energy-economy-climate model REMIND. We use new scenarios with carbon price paths that aim to reduce the frequently seen temperature overshoot."

LINK


Read more »

12.04.2021

# Media

0 Comments

ars technica: Ecological impacts of solar geoengineering are highly uncertain

"New research describes the unknowns in our knowledge of solar geoengineering."

LINK


Read more »

29.03.2021

# Political Papers

0 Comments

National Academies of Sciences, Engineering, and Medicine (2021): Reflecting Sunlight: Recommendations for Solar Geoengineering Research and Research Governance

National Academies of Sciences, Engineering, and Medicine (2021): Reflecting Sunlight: Recommendations for Solar Geoengineering Research and Research Governance. Washington, DC: The National Academies Press. https://doi.org/10.17226/25762.

"While efforts to reduce emissions and adapt to climate impacts are the first line of defense, researchers are exploring other options to reduce warming. Solar geoengineering strategies are designed to cool Earth either by adding small reflective particles to the upper atmosphere, by increasing reflective cloud cover in the lower atmosphere, or by thinning high-altitude clouds that can absorb heat. While such strategies have the potential to reduce global temperatures, they could also introduce an array of unknown or negative consequences."

LINK


Read more »

29.03.2021

# Media

0 Comments

The Guardian: 'Dimming the sun': $100m geoengineering research programme proposed

"All options to fight climate crisis must be explored, says national academy, but critics fear side-effects."

LINK


Read more »

11.03.2021

# New Publications

0 Comments

Visioni, Daniele; et al. (2021): Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations

Visioni, Daniele; MacMartin, Douglas G.; Kravitz, Ben; Boucher, Olivier; Jones, Andy; Lurton, Thibaut et al. (2021): Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations. Preprint. In Atmos. Chem. Phys. DOI: 10.5194/acp-2021-133.

"We present here results from the Geoengineering Model Intercomparison Project (GeoMIP) simulations for the experiment G6sulfur and G6solar for six Earth System Models participating in the Climate Model Intercomparison Project (CMIP) Phase 6. The aim of the experiments is to reduce the warming from that resulting from a high-tier emission scenario (Shared Socioeconomic Pathways SSP5-8.5) to that resulting from a medium-tier emission scenario (SSP2-4.5)."

LINK


Read more »

10.03.2021

# New Publications

0 Comments

Peoples, Columba (2021): Global uncertainties, geoengineering and the technopolitics of planetary crisis management

Peoples, Columba (2021): Global uncertainties, geoengineering and the technopolitics of planetary crisis management. In Globalizations, pp. 1–15. DOI: 10.1080/14747731.2021.1882815.

"With rising sea levels and disappearing species as harbingers of a planet-wide existential crisis facing the Earth, this article considers the ways in which geoengineering proposals diverge from understandings of global uncertainties and threats within scholarship on the globalization of insecurity, instead identifying ‘the planetary’ as a distinctive space of insecurity."

LINK


Read more »

28.12.2020

# New Publications

0 Comments

Ng, W. Y.; et al. (2020): Ranking negative emissions technologies under uncertainty

Ng, W. Y.; Low, C. X.; Putra, Z. A.; Aviso, K. B.; Promentilla, M.A.B.; Tan, R. R. (2020): Ranking negative emissions technologies under uncertainty. In Heliyon 6 (12), e05730. DOI: 10.1016/j.heliyon.2020.e05730.

"Given that there are multiple available NETs that need to be evaluated based on multiple criteria, there is a need for a systematic method for ranking and prioritizing them. Furthermore, the uncertainty in estimating the techno-economic performance levels of NETs is a major challenge. In this work, an integrated model of fuzzy analytical hierarchy process (AHP) and interval-extended Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is proposed to address the multiple criteria, together with data uncertainties."

LINK


Read more »

01.11.2020

# Media

0 Comments

C2G Guest Post: 5 lessons from COVID-19 for solar geoengineering

"If the idea of suppressing temperature rise by injecting an aerosol into the sky leaves the realm of modelling and experiments, it will be thrust into a science-media-politics environment that operates in ways that are not currently anticipated—at least not in idealized modelling studies."

LINK


Read more »

21.10.2020

# Media

0 Comments

Harvard Magazine: Controlling the Global Thermostat

"What to do about the warming is dominated by uncertainties—and a pervasive inability to agree on who should do what in response."

LINK


Read more »

29.09.2020

# Calls & events

0 Comments

Call for Participation: Research on NETs survey

Deadline: 01. November 2020

"I am interested in your opinions on the role of negative emissions in climate policy, connected uncertainties, and possible implementation options. I seek views from a variety of people working on or engaging in policy discussions on negative emission technologies."

LINK


Read more »