‘I think one can argue that if we were to follow a strong nuclear energy pathway — as well as doing everything else that we can — then we can solve the climate problem without doing geoengineering.’ So says one of the world’s foremost climate researchers, in a new paper. The author explains the two basic geoengineering strategies to reduce climate change: injecting aerosols such as sulfates into the stratosphere to block a portion of the sun’s radiation and thereby cool Earth, much as volcanic emissions do; and the large-scale removal of carbon dioxide from the atmosphere. The aerosol-injection approach is much more likely to be pursued at current stages of technological development.
Is nuclear power the only way to avoid geoengineering?
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