03.09.2018

# Media

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NextBigFuture: Point of no return for climate action is point when Geoengineering will start

"So-called solar geoengineering aims to cool the planet by deflecting some of the Sun’s incoming rays. Ideas for accomplishing this include the dispersion of light-scattering particles in the upper atmosphere, which would mimic the cooling effect of major volcanic eruptions."

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01.08.2018

# Media

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The Conversation: Geoengineering the Great Barrier Reef needs strong rules

"A recent conference showcased new possibilities for enhancing Reef resilience, including boosting coral abundance and geoengineering techniques that would manipulate local conditions to reduce ocean temperatures."

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29.06.2018

# New Publications

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González, Miriam Ferrer; et al. (2018): Enhanced Rates of Regional Warming and Ocean Acidification after Termination of Large-scale Ocean Alkalinization

González, Miriam Ferrer; Ilyina, Tatiana; Sonntag, Sebastian; Schmidt, Hauke (2018): Enhanced Rates of Regional Warming and Ocean Acidification after Termination of Large-scale Ocean Alkalinization. In: Geophys. Res. Lett. DOI: 10.1029/2018GL077847.

"Termination effects of large‐scale Artificial Ocean Alkalinization (AOA) have received little attention because AOA was assumed to pose low environmental risk. With the Max‐Planck‐Institute Earth System Model, we use emission‐driven AOA simulations following the Representative Concentration Pathway 8.5 (RCP8.5). We find that after termination of AOA warming trends in regions of the Northern hemisphere become ∼50% higher than those in RCP8.5 with rates similar to those caused by termination of solar geoengineering over the following three decades after cessation (up to 0.15 K/year)."

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