Global warming is speeding up. Another reason to think about geoengineering
Reducing sulphur emissions saves lives. But it could also be hastening planetary warming
SEEN FROM afar—as it first was, by human eyes, on Christmas Eve 1968—Earth is a wonder. When the astronauts of Apollo 8 saw their bright, cloud-girdled home rise over the barren lunar horizon they recognised at once that it was dynamic, beautiful and exceptional: something to be cared for.
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This article appeared in the Leaders section of the print edition under the headline “Of clouds and Crutzen”
From the December 21st 2024 edition
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