24.12.2017

# Media

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Mongabay: Consensus grows: climate-smart agriculture key to Paris Agreement goals

"Attendees at the annual Global Landscape Forum conference in Bonn, Germany, this week sought approaches for implementing “climate-smart” agricultural practices to help keep global temperature from rising more than 2 degrees Celsius (3.6 degrees Fahrenheit) by 2100."

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17.12.2017

# New Publications

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Honegger, Matthias; Reiner, David (2017): The political economy of negative emissions technologies. Consequences for international policy design

"n order to understand whether NETs can provide a significant contribution to mitigation, financial incentives are needed that allow implementing the most attractive NET activities at the global scale. We see the market mechanism under Article 6.4 of the Paris Agreement – colloquially called ‘Sustainable Development Mechanism’ – as a possible cornerstone of such a policy instrument. While initially NETs will not be competitive on the free market, the mechanism can facilitate bilateral financial transfers for NETs, where mitigation units accrue to the financier."

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12.12.2017

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Wired: The US Flirts With Geoengineering to Stymie Climate Change

"So a growing chorus of scientists have been mumbling about geoengineering. Doing things like spraying sulfur in the stratosphere or whitening clouds to bounce light back into space to help cool things down. And last week, Congressman Jerry McNerney joined them, introducing a bill that would ask the National Academies of Science to explore technologies to geoengineer Earth. In two reports, they'd explore research avenues and oversight of that research—that is, if the bill gets past McNerney's colleagues and then the only world leader to shun the Paris Climate Agreement."

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11.12.2017

# New Publications

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van Vuuren, Detlef P.; et al. (2017): Open discussion of negative emissions is urgently needed

van Vuuren, Detlef P.; Hof, Andries F.; van Sluisveld, Mariësse A. E.; Riahi, Keywan (2017): Open discussion of negative emissions is urgently needed. In Nat. Energy 2 (12), pp. 902–904. DOI: 10.1038/s41560-017-0055-2.

"Although nearly all 2 °C scenarios use negative CO2 emission technologies, only relatively small investments are being made in them, and concerns are being raised regarding their large-scale use. If no explicit policy decisions are taken soon, however, their use will simply be forced on us to meet the Paris climate targets."

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09.12.2017

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The Globa and Mail: Solar geoengineering: Science fiction – or saviour?

"But wherever your views fall on this spectrum, the case for serious research on solar geoengineering, and serious examination of its governance challenges, is compelling. Indeed, it is becoming increasingly likely that some form of climate engineering will be necessary to achieve the Paris target of limiting planetary heating to well below 2 C."

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03.12.2017

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Economist: Sunshine policy

"Geoengineering should take a bigger role in climate discussions, argues Oliver Morton"

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28.11.2017

# Media

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Reuters: Games offer familiar structures designed to allow us to play with the unfamiliar and rethink what is possible

"At a 2017 conference in Berlin, a dice-based game session explored potential governance mechanisms for geoengineering, the potential manipulation of the global climate by spreading sulphur in the stratosphere to block sunlight and cool the planet. When one participant tried to alter the climate, a remarkable range of reactions emerged from other individuals and teams -– from silent endorsement to self-sacrifice and even threat of nuclear war."

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28.11.2017

# New Publications

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Geden, Oliver; Löschel, Andreas (2017): Define limits for temperature overshoot targets

Geden, Oliver; Löschel, Andreas (2017): Define limits for temperature overshoot targets. In Nature Geosci 6, p. 827. DOI: 10.1038/s41561-017-0026-z.

"Temperature overshoot scenarios that make the 1.5 °C climate target feasible could turn into sources of political flexibility. Climate scientists must provide clear constraints on overshoot magnitude, duration and timing, to ensure accountability."

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27.11.2017

# New Publications

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Dooley, Kate; Kartha, Sivan (2017): Land-based negative emissions. Risks for climate mitigation and impacts on sustainable development

Dooley, Kate; Kartha, Sivan (2017): Land-based negative emissions. Risks for climate mitigation and impacts on sustainable development. In Int Environ Agreements 354 (13), p. 182. DOI: 10.1007/s10784-017-9382-9.

"We argue that this is two to three times greater than the amount of land-based NETs that can be realistically assumed, given critical social objectives and ecological constraints. Embarking on a pathway that assumes unrealistically large amounts of future NETs could lead society to set near-term targets that are too lenient and thus greatly overshoot the carbon budget, without a way to undo the damage. Pathways consistent with 1.5 °C that rely on smaller amounts of NETs, however, could prove viable. This paper presents a framework for assessing the risks associated with negative emissions in the context of equity and sustainable development."

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20.11.2017

# Media

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ABC Live: COP23 Warns Against Risks of Climate Engineering

"Climate Engineering, or climate intervention, is risky but needs to be explored as a supplement – not as a ‘Plan B’ – to greenhouse gas emissions reduction, said experts at the United Nations Climate Change Conference (COP23), in Bonn, Germany."

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