20.01.2020

# Calls & events

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Newsletter of Week 04 of 2020

The newsletter of calendar week 04 of 2020 is now available here.


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20.01.2020

# New Publications

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Krishnamohan, K. S.; et al. (2020): The Climatic Effects of Hygroscopic Growth of Sulfate Aerosols in the Stratosphere

Krishnamohan, K. S.; Bala, Govindasamy; Cao, Long; Duan, Lei; Caldeira, Ken (2020): The Climatic Effects of Hygroscopic Growth of Sulfate Aerosols in the Stratosphere. In Earth's Future. DOI: 10.1029/2019EF001326.

"We show that stratospheric sulfate aerosols, for a given mass of sulfates, cause more cooling when prescribed at the lower levels of the stratosphere because of hygroscopic growth. The larger relative humidity in the lower stratosphere causes an increase in the aerosol size through hygroscopic growth which leads to a larger scattering efficiency."

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20.01.2020

# Media

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Phys.org: Can solar geoengineering mitigate both climate change and income inequality?

"While de-carbonizing the world's emissions sources continues to pose a large challenge, solar geoengineering, which is process where incoming sunlight is intentionally reflected to cool rising temperatures, could help avoid the worst consequences of global warming. This analysis is the first to project the response of Gross Domestic Product (GDP) to the specific pattern of cooling solar geoengineering produces."

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20.01.2020

# Media

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MIT Technology Review: Why geoengineering may narrow global economic inequality

"The researchers state that this is a simplified thought exercise to explore these questions. It leaves out of other factors like sea-level rise, glosses over uncertainties about environmental side effects, and assumes high levels of emissions and geoengineering. Moreover, even if things wound up better on average, it still wouldn’t mean that all poor nations would come out ahead."

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20.01.2020

# Media

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Salon: Why solve climate change when you can monetize it?

"Hidden in a $1.4 trillion spending bill passed by Congress last month, in a blink-and-you'll-miss-it paragraph, was a sizable provision to fund research to reverse climate change. No, not in a meaningful long-term way, by actually reducing our dependence on fossil fuels or reorganizing the economy to be based on need rather than consumption of disposable goods; rather, the research dollars were to be spent on programs that might allow our apocalyptic way of life to continue apace."

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20.01.2020

# Media

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Inverse: Could solar geoengineering solve African poverty?

"While a new report say yes, others aren't convinced."

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20.01.2020

# Media

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Fast Company: Solar geoengineering could have big benefits (and also big risks)

"A new study found the effects on inequality from lowering global temperature via limiting the sun that reaches the Earth could be massive. But can we get those same effects simply by reducing carbon emissions in a less risky way?"

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20.01.2020

# New Publications

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Harding, Anthony R.; et al. (2020): Climate econometric models indicate solar geoengineering would reduce inter-country income inequality

Harding, Anthony R.; Ricke, Katharine; Heyen, Daniel; MacMartin, Douglas G.; Moreno-Cruz, Juan (2020): Climate econometric models indicate solar geoengineering would reduce inter-country income inequality. In Nat Commun 11 (1), pp. 1–9. DOI: 10.1038/s41467-019-13957-x.

"Combining historical evidence with climate simulations of mean annual temperature and precipitation, we project socio-economic outcomes under high anthropogenic emissions for stylized climate scenarios in which global temperatures are stabilized or over-cooled by blocking solar radiation. We find impacts of climate changes on global GDP-per-capita by the end of the century are temperature-driven, highly dispersed, and model dependent. "

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20.01.2020

# Media

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Mirage News: Reflecting sunlight away from earth could fight climate change and poverty

“We find hotter countries respond more to small changes in temperature,” said Moreno-Cruz, who is also Canada Research Chair in energy transitions. “Because poorer countries tend to be hotter, there is a disproportional impact of climate on those countries.

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20.01.2020

# Media

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Phys.org: Expert discusses the prospects of climate engineering

Interview with Professor Bob Scholes.

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