Books et al.Geoengineering

The Earth experiment

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Science  13 Nov 2015:
Vol. 350, Issue 6262, pp. 745
DOI: 10.1126/science.aad4340

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In his new book, The Planet Remade, Oliver Morton asks the question: If we can alter global climate in one direction by burning hydrocarbons, can we reverse it by doing something else? Reviewer Eric Oelkers weighs the merits and potential consequences of two potential geoengineering solutions: carbon sequestration and the creation of an atmospheric veil made of sulfate aerosols. Recalling a quote from a talk given by the climatologist Wally Broecker, Oelkers encourages caution, noting "The climate system is an angry beast, and we are all poking at it with sticks."