Stratospheric injection of sulphate aerosols has been advocated as an emergency geoengineering measure to tackle dangerous climate change, or as a stop-gap until atmospheric carbon dioxide levels are reduced. But it may not prove to be the game-changer that some imagine.
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Barrett, S., Lenton, T., Millner, A. et al. Climate engineering reconsidered. Nature Clim Change 4, 527–529 (2014). https://doi.org/10.1038/nclimate2278
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