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Loughborough University Library (Credit: Vijetha Vijayan, distributed via Flickr)

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Karymsky volcano, 2004

Karymsky volcano, 2004 (Credit: Alexander Belousov, distributed via

Volcanic eruptions, such as the one of the Karymsky volcano (Russia) in 2004, release sulphur dioxide to the atmosphere, which has a cooling effect. Geoengineering an ‘artificial volcano’ to mimic this release has been proposed as a solution to global warming.

Credit: Alexander Belousov, distributed via

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