German article on CE

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"A new study contradicts fears that using solar geoengineering to fight climate change could dangerously alter rainfall and storm patterns in some parts of the world."

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"Scientists are preparing to test a radical new way of tackling climate change by deliberately dimming the sun. A team of researchers from Harvard University plans to release a balloon into the skies over the southwest United States in the new year. Once it reaches an altitude of 20km, the balloon will release a chalky material to bounce the sun’s heat back into space. Only a tiny amount of material will be released, and the effects will be limited to a few square kilometres. Even so, the experiment has reignited concern about such “geoengineering” solutions to tackling climate change."

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Harding, A.; Moreno-Cruz, J. (2018): The economics of geoengineering. In: Letcher T. (ed.): MANAGING GLOBAL WARMING. An interface of technology and human issues. [S.l.]: ELSEVIER ACADEMIC PRESS, S. 729–750.

"Geoengineering provides an alternative strategy from abatement to counteract or mask impacts of anthropogenic climate change. Geoengineering strategies can be classified as either solar radiation management (SRM) or carbon dioxide removal (CDR). SRM strategies are cheap, quick, but imperfect. CDR strategies are expensive, slow, but perfect and can generate negative net emissions. High abatement costs and shared global benefits have created a free-rider problem, but properties of geoengineering have the potential to disrupt that impasse. Geoengineering can also introduce new problems through additional risks and uncertainties. Even if the use of geoengineering is found to be optimal, strategic decision making may produce suboptimal outcomes. Over the past decade, research has examined if geoengineering is a serious alternative and when the benefits of using it outweigh the costs."

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